Study Guide for the Unit #3 Test (A) DUE - Alexandra Jones | Library

1

The Smith family wants to buy a new computer.  The regular price is $967. The store is offering a 25% discount and a sales tax of 7% is added after the discount. What is the total cost of the TV?

$_______ 

1

The computer was regularly priced at $1,800. If you order the computer over the Internet, you can save money as the price is only $1,300.  What percent discount are you getting?

_______ % 

1

John got a haircut yesterday afternoon.  If the hair stylist charged $22 and John gave a 25% tip, how much did he pay for the haircut?

$_______ 

1

Canon manufactures cameras. Last year, the company was able to produce 35,000 cameras each month. After introducing a new process for manufacturing this year, the company was able to produce 42,000 cameras each month. By what percent did production increase?

_______ %

1

What is the scale factor? (answer must be in fraction form)

scale factor = _______

1

Rectangles m and n are similar.  If Rectangle m has a length of 10 centimeters and a width of 9 centimeters, what is the length and width of rectangle n?

The length of rectangle n is _______ centimeters and the width is _______ centimeters.

1

Mr. Jones is having some photos enlarged for his studio. He wants to enlarge a photo that is 6 inches by 8 inches so the dimensions are 2 times larger than the original. How many times larger than the original photo will the area of the new photo be? (just type in the number)

_______ times larger

1

Select the polygon that is a scaled copy of polygon A.

_______

1

PQR is similar to XYZ. What is the perimeter of XYZ ?

_______ cm

1

For his job, Eric earns 12% commission on his total sales.

Suppose Eric had a total sale of $987 last week. How much did he earn in commissions?

$_______ 

To pay for a concert ticket, Eric needs to earn $126 in commissions.  What must Eric’s sales total for the week?

$_______

1

To buy a computer, Sarah borrowed $4,200 at 8% interest for 5 years.  How much money did she have to pay back?

I = prt

$_______ 

1

A home decorator is adding new flooring to a living room using the blueprint below. The length is 7 in. and the width is 5 in.

What is the actual length of the living room?   _______ ft.

What is the actual width of the living room?  _______ ft.

How many square feet of flooring does she need to purchase?  _______ square feet

1

Sarah sells electronics and works on a commission basis. If her commission is 8% on what she sells, and she sells $17,000 worth of electronics, what are her earnings?

$_______ 

1

Lee sells electronics. He earns a 5% commission on each sale he makes.  If Lee wants to make $100 in commission, what is the dollar amount of electronics he must  sell?

$_______ 

1

Bob is in the market to buy a new scooter. The scooter he wanted to buy was originally $550, but was on sale in the store for $346.  What was the discount rate?

_______ %

1

You and your friends decide to go out to dinner and celebrate your birthday. The meal costs $172.46. The sales tax is 7% and your waiter was okay so you want to leave a 15% tip.  What was the total bill?  Round to the nearest cent.

$_______ 

1

Emma put $720 into a savings account and made no more deposits or withdrawals. The account earns 4% simple interest per year.  How much money will be in the account after 6 years?

$_______ 

1

A new automobile costs $24,637 but after one year it is worth $16,456.  What is the percent of decrease in the value of the automobile?  Round to the nearest whole percent.

_______ %