7th Math 2.23 A

Last updated over 2 years ago

10 questions

7th Math 2.23 A

Last updated over 2 years ago

10 questions

More Jewelry!--Ling also makes and sells earrings. She had to buy tweezers for $10 to be able to shape them. She can sell each pair of earrings for $10.75 and the materials for each pair cost her $1.25.

a) Let e be the number of pairs of earrings she makes and sells.
Type an expression to represent her profit.

Remember you can think of Earnings-Costs

CFS:
#1: Accurately writes expression for profit using the variable

b) Ling believes that if she sells 5 pairs of earrings, she'll have enough money to buy a $30 gift card for her friend. Do you agree?

Click into Show Your Work (SYW) and type your expression from part a), then substitute.

"I (agree / disagree) with Ling because..."

CFS:
#1: Accurately uses substitution in the expression
#2: Makes a claim using math evidence/calculations

Side Gig--Mr. Mancini manufactures his Air Mancinis out of his garage. He sells each pair of shoes for $40, but the materials also cost him $9 per pair. He spent $100 on tools and a work bench.

a) Write an expression to show Mr. Mancini's profit for the number of pairs of shoes he sells, s. (Use s as your variable)

CFS:
#1: Accurately writes expression for profit using the variable

b) What is Mr. Mancini's profit when he only sells 2 pairs of shoes?

Click into SYW and write your expression from part a)

CFS:
#1: Accurately uses substitution in the expression

c) Air Mancinis are really popular gifts during the holidays. He sells 15 pairs in the week before Christmas. What was his profit?

Click into SYW and write your expression from part a)

CFS:
#1: Accurately uses substitution in the expression

Pair of Pizzerias--There are two new competing pizzerias in San Jose called Mama Mancini’s and Ms. Paul’s Pizzas. Some key information for each business is listed below:

a) Write an expression to represent the weekly profit of Mama Mancini’s if the number of pizzas they sell is represented by p.

CFS:
#1: Accurately writes expression for profit using the variable
#2: Accurately substitutes and evaluates expression

b) Write an expression to represent the weekly profit of Ms. Paul's Pizzas if the number of pizzas they sell is represented by p.

c) Which store has the greatest profit after selling 125 pizzas in a week? Use your expressions from parts a) and b)

Businessman-Alex is still competing with Mr. Mancini by selling premium Air Alexanders. He spent $110 on special equipment to make the shoes. He sells each pair for $52.50 and each of the shoes costs him $16 to make.

a) Write an expression to show Alex's profit using a to represent the number of pairs of shoes he makes.

CFS:
#1: Accurately writes expression for profit using the variable

b) Alex says, "Even if I only sell 3 pairs of shoes at the school, I will cover all my expenses and not lose any money."

Is Alex correct? Use your expression from part a) to determine if this is true.

"Alex is (correct / incorrect) because..."

You MUST show your work in formative to get credit

CFS:
#1: Accurately uses substitution in the expression
#2: Makes a claim using math evidence/calculations

You may continue working on starred IXL skills or on Algebra 1. 

OR

You may want to begin studying for the End of Module Assessment. You can review old notes, re-do independent practice problems, or look through old Formatives. 

7th Math 2.23 A

7th Math 2.23 A

b) What is Mr. Mancini's profit when he only sells 2 pairs of shoes? Click into SYW and write your expression from part a)CFS:#1: Accurately uses substitution in the expression

c) Air Mancinis are really popular gifts during the holidays. He sells 15 pairs in the week before Christmas. What was his profit? Click into SYW and write your expression from part a)CFS:#1: Accurately uses substitution in the expression

b) Write an expression to represent the weekly profit of Ms. Paul's Pizzas if the number of pizzas they sell is represented by p.

c) Which store has the greatest profit after selling 125 pizzas in a week? Use your expressions from parts a) and b)

b) What is Mr. Mancini's profit when he only sells 2 pairs of shoes? Click into SYW and write your expression from part a)CFS:#1: Accurately uses substitution in the expression

c) Air Mancinis are really popular gifts during the holidays. He sells 15 pairs in the week before Christmas. What was his profit? Click into SYW and write your expression from part a)CFS:#1: Accurately uses substitution in the expression

b) Write an expression to represent the weekly profit of Ms. Paul's Pizzas if the number of pizzas they sell is represented by p.

c) Which store has the greatest profit after selling 125 pizzas in a week? Use your expressions from parts a) and b)

b) What is Mr. Mancini's profit when he only sells 2 pairs of shoes?

Click into SYW and write your expression from part a)

CFS:
#1: Accurately uses substitution in the expression

c) Air Mancinis are really popular gifts during the holidays. He sells 15 pairs in the week before Christmas. What was his profit?

Click into SYW and write your expression from part a)

CFS:
#1: Accurately uses substitution in the expression

b) What is Mr. Mancini's profit when he only sells 2 pairs of shoes?

Click into SYW and write your expression from part a)

CFS:
#1: Accurately uses substitution in the expression

c) Air Mancinis are really popular gifts during the holidays. He sells 15 pairs in the week before Christmas. What was his profit?

Click into SYW and write your expression from part a)

CFS:
#1: Accurately uses substitution in the expression