M 1-4 Review (7)

Proportional Relationships

100

Bob can run one mile in 20 minutes. How long would it take him to run 5 miles?

1 hour 40 minutes  (100 minutes)

200

Brooke bought 8 bottles of tea for $13.52. What is the cost per bottle?

$1.69

300

Lincoln bought 3 bottles of a drink for $4.50. Write an equation relating the total cost to the number of drinks he bought.

y=1.5x

400

Doug paddled 5 miles in 2/3 hour. What is his average speed in miles per hour?

7.5 miles per hour.

500

Is 1:4 and 2:8 proportional to each other?

Yes

Percent Problems

100

What is 18% of 125?

What is 22.5

200

How much is an $18 breakfast with a 7% tax?

$19.26

300

A shirt cost $24 and is 15% off today. How much does the shirt cost?

$20.40

400

Find the percent decrease 

136 days to 85 days

37.5%

500

The average cost of gas in the year 2000 was $1.25 per gallon. Suppose you purchase gas for $3.30 per gallon now. What is the percent of increase in the cost?

164%

Operations with Integers

100

-3 + (-8)

-11

200

-22 + (-10) + 15

-17

300

-5(6) + (-9)

-39

400

Ben has -1500 points. He loses 750 more. What is his score?

-2,250

500

3(-5) + 12 - (-4)

1

Operations with Rational Numbers

100

-1/6 times 2/4

-1/12

200

Write 5/6 as a decimal

0.83333...

300

What is 

3/4 * 7/9 + 2/6

11/12

400

Find  2/5 + (-0.75) 

-0.35

500

What is 

3/5 + (-0.1)/(-5/6)

0.72 or 

18/25