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Ratios
Unit Rates
Percents as Ratios and Decimals
Percents
Proportions
100

How do I know if two ratios are equivalent?

When both numbers are multiplied or divided by the SAME thing

100
Write a ratio in fraction form for $64 in 16 hours.
$64/16 hours
100
What is 22:100 as a percent?
22%
100

2 out of 5 of my fish died. What percent of my fish died?

40%

100
Juan has a ratio of 3 fish to 5 plants in his aquarium. He has 33 fish. How many plants does he have?
55 plants
200
Give three equivalent ratios for 2:3.
4:6, 6:9, 8:12, etc....
200
Find the unit rate for 200 words in 4 min.
50 words/1 min.
200
What is the decimal equivalent for 7.5%
0.075
200

I have 3 Pepsis and 9 Cokes. What percent of my total drinks are Pepsi?

25%

200
Ten tangerines cost $1.60. How much do 8 tangerines cost?
$1.28
300
Find the missing term 3 to 2 = __ to 8
12
300
Find the unit rate for 240 people per 2 sq.mi.
120 people/1 sq. mi.
300
What percent is 8/25?
32%
300

I am 3 miles into my run when I fall. I only made it 30% as far as I wanted to run. How far had I wanted to run? 

10 miles
300
A map uses a scale of 2 in. for every 15 mi. If the map shows a distance of 32 in., what is the actual distance?
240 mi.
400
Find the missing term: 3:9 = 4:__
12
400
Find the unit rate for $19.20 for 5 tickets.
$3.84/1 ticket
400

Write 12.5% as a decimal

0.125

400

I score a 15 out of 18 on my math test. What percent did I get right?

83 1/3%

400
If you pay $42,000 for 35 acres of land, how much would you pay for 20 acres at the same price per acre?
$24,000
500
Of the ten members on a team, 2 are girls. What is the ratio of girls to boys?
2:8 or 1:4
500
Pops Cereal is sold in two boxes. 20 oz. sells for $3.28 and 14 oz. sells for $2.50. Which is the better buy?
$3.28 for 20 oz.
500
Find the missing term: __ /25 = 0.24 = 24%
6
500

I was only allowed to watch 15 minutes of TV. I ended up watching 20 minutes. What percent of my allowed time did I watch?

133%

500
A plane travels 200 miles in 30 min. At this rate, how long, in hours and minutes, would it take for the plane to travel 900 miles?
2 hr 15 min.