Percent
Ratio and Proportion
Ratio, Proportion, Percent
Proportion or Rates
Miscellaneous
100

What is 25% of 100?

25

100

In his first 4 games, Abdulrahman scored 3 goals. How many goals would he score in 36 games if he continues to score at the same rate?

27 goals

100

Noura ordered pizza for a party. For every 5 pepperoni pizzas she ordered 3 cheese. If Noura ordered 72 pizzas, how many were cheese?

27 Cheese

100

A recipe uses 3 cups of flour to make 12 cookies. How many cups of flour are needed to make 20 cookies?

5 cups of flour

100

The ratio of cats to dogs in a shelter is 2 : 5. If there are 14 cats, how many dogs are there?

2 parts = 14 cats
1 part = 14 ÷ 2 = 7

Dogs = 5 parts = 5 × 7 = 35

Answer: 35 dogs

200

What is 15% of 200?

30

200

16% of my house is orange, 84% is white. What is the ratio of these paints in simplest form?

4:21

200

Saif has 165 coins. Of the coins 2/11 are nickels, 8/11 are dimes, and the rest are quarters. What is the ratio of Saif’s nickels to dimes to quarters. 

2:8:1

200

A car travels 180 km in 3 hours at a constant speed. How far will it travel in 5 hours at the same speed?

180 km in 3 hours

Find speed:
180 ÷ 3 = 60 km/h

For 5 hours:
60 × 5 = 300 km        ✅ Answer: 300 km

200

A cyclist travels 48 km in 3 hours. What is their average speed?

Speed = distance ÷ time
48 ÷ 3 = 16 km/h

Answer: 16 km/h

300

There is a computer on sale for 20% off. If the original price is $5000, how much will you save with the sale?

$1,000

300

A school mixes red and blue paint in the ratio 3 : 5 to paint walls. If they use 24 liters of red paint, how many liters of blue paint are needed to keep the same ratio?

40 liters of blue paint

300

8 lbs. of cherries costs $56.80.  How much do 5.5 lbs. cost?

$39.05

300

5 notebooks cost $12.50. What is the cost of 8 notebooks at the same rate?

5 notebooks cost $12.50

Cost of 1 notebook:
12.50 ÷ 5 = 2.50

Cost of 8 notebooks:
2.50 × 8 = 20             ✅ Answer: $20

300

A phone costs $250. It is discounted by 20%. What is the final price?

20% of 250 = 0.20 × 250 = 50

Final price = 250 − 50 = 200

Answer: $200

400

What is 85% of 3000?

2550

400

A juice drink is made using apple and orange juice in the ratio 4 : 7. If there are 36 liters of apple juice, how many liters of orange juice are needed?

63 liters of orange juice

400

In a school, the ratio of boys to girls is 5 : 6. 

If there are 55 boys, how many students are in the class altogether?

121 students

400

On a map, 2 cm represents 15 km in real life. How many kilometers does 6 cm represent?

2 cm → 15 km

6 cm is 3 times larger (6 ÷ 2 = 3)

So:
15 × 3 = 45 km          ✅ Answer: 45 km

400

5 notebooks cost $15. How much do 12 notebooks cost at the same rate?

Cost of 1 notebook = 15 ÷ 5 = 3

Cost of 12 notebooks = 12 × 3 = 36

Answer: $36

500

What is 30% of 220?

66

500

Cindy Lou Who ate 56 candy canes during December. Her brother ate more than her, so that their ratio was 7:9. How many candy canes did her brother eat?

 72 candy canes

500

Carla paid 36.25 for 3.40 lbs. of chocolate. Daniel paid $38.20 for 3.50 lbs of chocolate. Which was the better deal? 

Carla's deal works out to $10.66/lb

Daniel's deal is $10.91 /lb.

Carla has the better deal.

500

4 workers can paint a fence in 6 hours. Assuming they all work at the same rate, how long would it take 8 workers to paint the same fence?

4 workers take 6 hours

Total work = 4 × 6 = 24 worker-hours

For 8 workers:
24 ÷ 8 = 3 hours        ✅ Answer: 3 hours

500

A factory produces 180 bottles in 6 hours. At this rate, how many bottles will it produce in 14 hours, and what is the total increase in production compared to 6 hours?

Step 1: Find rate
180 ÷ 6 = 30 bottles/hour

Step 2: Find production in 14 hours
30 × 14 = 420 bottles

Step 3: Find increase
420 − 180 = 240 bottles more

Answer: 420 bottles total, increase of 240 bottles