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Ratios and Proportions 1 & 3 Study Guide

Authored by Karrie Madrigal

Mathematics

7th Grade

Used 9+ times

Ratios and Proportions 1 & 3 Study Guide
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15 questions

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1.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

What percent of 80 is 20? Select the percent AND the fraction that represents the percent.

2/5

25%

40%

1/4

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The store paid $6.25 for a book and sold it for $8.75. What is the profit as a percent of the cost to the store?

Hint: percent increase

60%

71%

40%

4%

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The price of dinner was $25.90. The sales tax was 7%. The server was given a 12% tip (calculated after tax was added). What was the TOTAL cost of the meal with tax AND tip?

$31.04

$3.33

$27.71

$5.14

4.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

The number of apples in a box decreased from 125 to 100. What is the percent decrease of the number of apples in the box? Hint: Percent of change. Select TWO.

+20%

20% increase

20% decrease

-20%

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

The table shows the percentage of automobile sales for various makes of cars. If a total of 2500 cars were sold, how many cars of Brand B were sold? Hint: is/of = %/100

12,500

80%

50,000

500

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

If 25% of a number is 18.5, what is the original number? Hint: is/of = %/100

4.625

74

135

18.5

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

In Mrs. Aguilar's class, 6/20 of her class speak a second language. Of the 6/20 that speaks a second language, 2/5 of those students speak Spanish. What percentage of her class speaks Spanish? Hint: what does "of" mean? Simplify your answer.

.12

.75

75%

12%

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