Preskoči na glavni sadržaj
Prijava
Sign up for FREE
arrow_back
Biblioteka

Study Guide for the Unit #3 Test (A) DUE

star
star
star
star
star
Posljednje ažuriranje almost 2 years ago
18
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Pitanje 1
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?

$

Pitanje 2
2.

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?

%

Pitanje 3
3.

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?

$

Pitanje 4
4.

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?

%

Pitanje 5
5.

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

scale factor =

Pitanje 6
6.

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.

Pitanje 7
7.

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

Pitanje 8
8.

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

Pitanje 9
9.

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

Pitanje 10
10.

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?

$

Pitanje 11
11.

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

$

Pitanje 12
12.

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

Pitanje 13
13.

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?

$

Pitanje 14
14.

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?

$

Pitanje 15
15.

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?

%

Pitanje 16
16.

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.

$

Pitanje 17
17.

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?

$

Pitanje 18
18.

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.

%