7th Math Unit 2 Day 22 - 12/11

Great Prices--You're at Great America with some friends and stop for a snack. You buy an ice cream bar for $8 and three bottles of water to share. The total was $20.

How much did each bottle of water cost?

"Each bottle of water cost..."

CFS:

#1: Defines appropriate variable

#2: Accurately writes equation with variable

#3: Accurately solves with inverse operations

Arcade--Cesar went to Round One with some friends and paid for a few different activities. He spent $5.50 to win a stuffed animal from the claw machine, he played $6.25 worth of arcade games, and also paid for three rounds of bowling.

In total, he spent $30.50 for the whole day. How much did each round of bowling cost?

"Each round of bowling cost..."

CFS:

#1: Defines appropriate variable

#2: Accurately writes equation with variable

#3: Accurately solves with inverse operations

Solve--Solve for the value of x.

4x - 10 = 30

Swimmer--Jessica is on a swim team and has swim practice four days each week. The schedule is the same each day. The team swims in the morning and then again for 2 hours in the evening. She swims 12 hours total per week.

How long does she swim each morning?

"Each morning Jessica swims..."

CFS:

#1: Defines appropriate variable

#2: Accurately writes equation with variable

#3: Accurately solves with inverse operations

Market--Mr. Kovalik loves to cook. He wanted to make a seared tuna salad, so he went to Whole Foods. He bought a bag of mixed greens for $1.90 and 8 ounces of tuna. In total, his trip cost $15.90.

How much was each ounce of tuna?

"Each ounce of tuna..."

CFS:

#1: Defines appropriate variable

#2: Accurately writes equation with variable

#3: Accurately solves with inverse operations

SPICY--Try if you have time.

Solve for the value of x.

"x=___"

Inverses—Solve the following equation by using inverse operations.

4x+3=27

Target--Mr. Espinoza spent a total of $45 on groceries at Target. He bought a jumbo bag of Takis for $4, a large steak for $15, and soda for $5.

He also bought three of the same type of cereal. How much did each one cost?

Answer in a complete sentence.

CFS:

#1: Defines appropriate variable

#2: Accurately writes equation with variable

#3: Accurately solves with inverse operations