Chapter 2

Percent’s

100

What percent of 37 is 111?

What is 300%

200

What is 72% of 150?

What is 108

300

60% of what number is 102?

What is 170

400

A gardener expects that 75% of the seeds she plants will produce plants. She wants 45 plants. How many seeds should she plant?

What is 60 seeds

500

In a survey, 60% of students prefer bagels to donuts. If 120 students were surveyed, how many students prefer donuts?

What is 48

Proportions

100

Solve the proportion 3/7 = 9/x.

What is 21

200

Solve the proportion3/-7 = -9/x

What is 21

300

Solve the proportion (x+3)/7=(x-3)/6.

What is 39

400

Solve the proportion 5/(2x-3) = 3(7x+4)

What is -1

500

An airplane has a wingspan of 25 ft and a length of 20 ft. You are designing a model of the airplane with a wingspan of 15in. What will the length of your model be?

What is 12 inches

Conversions

100

Convert 6 and ½ feet to inches

What is 78 inches

200

Convert 4 ib and 7 oz to oz.

What is 71 ounces

300

Convert 135 seconds to minutes

What is 2.25 minutes

400

A bread slicer runs 20 h per day for 30 days and slices 144,000 loaves of bread. How many loaves per hour are sliced?

What is 240 loaves

500

If a baseball travels at 90 mi/h, how many seconds does it take to travel 60 ft?

What is 5/11 s or about .45s

1,2 Step Equations

100

x+5=-2

What is -7

200

x-2.5=4.5

What is 7

300

(x/4) -3 = -4

What is -4

400

(-3x/4)+5=11

What is -8

500

Five friends equally split a restaurant bill that comes to $32.50. How much does each pay?

What is $6.50

Multi-step Equations

100

7(x-5) = 42

What is 11

200

3x +2 -5x =-14

What is 8

300

10= (x/3) -4 + (x/6)

What is 28

400

(2x/7) +(4/5) = 5

What is 14.7

500

Online concert tickets cost $37 each, plus a service charge of $8.5- per ticket. The web site also charges a transaction fee of $14.99 for the purchase. You paid $242.49. How many tickets did you buy?

What is 37t + 8.50t + 14.99 = 242.49; 5 tickets