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A recipe for orange juice uses 50% orange concentrate. If a batch contains 10 cups of orange concentrate, how large is the batch of orange juice?
20 cups
Lily completed 15 science problems. This is 30% of the problems she has to do. How many science problems must she do in total?
50
Ryan scored 40% of the shots he took during the basketball game. If he attempted 25 shots, how many times did he score?
10 shots
The original price of a shirt is $30. The sale price is 20% off the original price. What is the sale price of the shirt?
Answer: $24 Explanation: 30 × 0.2 = 6 , 30 − 6 = 24
Jake has $12 for lunch. His meal costs $9.50. He wants to leave a 15% tip. Does he have enough money?
Answer: Yes Explanation: Tip = 9.50 × 0.15 = 1.425 , Total = 9.50 + 1.43 = 10.93 . Jake has $12, so he has $1.07 left.
Emma completed 8 math problems. This is 25% of the number of math problems she has to do. How many math problems must she do in total?
Answer: 32 problems Explanation: 8 ÷ 0.25 = 32
A fruit salad recipe uses 60% fruit. If a batch contains 12 cups of fruit, how large is the batch of fruit salad?
Answer: 20 cups Explanation: 12 ÷ 0.6 = 20
Sophia scored 75% on her history exam. If the exam had 40 questions, how many questions did she answer correctly?
Answer: 30 questions Explanation: 40 × 0.75 = 30
The original price of a backpack is $45. The sale price is 30% off the original price. What is the sale price of the backpack?
Answer: $31.50 Explanation: 45 × 0.3 = 13.50 , 45 − 13.50 = 31.50
Mia has $20 for groceries. Her total bill is $17. She wants to leave a 10% tip for the cashier. Does she have enough money? Show your calculations.
Answer: Yes Explanation: Tip = 17 × 0.10 = 1.70 , Total = 17 + 1.70 = 18.70 . Mia has $20, so she has $1.30 left.
A painter has completed 25% of a fence. If he has painted 15 meters, how large is the entire fence?
Answer: 60 meters Explanation: 15 ÷ 0.25 = 60
Lucas saved 10% of his monthly allowance. If he saved $25, how much is his total monthly allowance?
Answer: $250 Explanation: 25 ÷ 0.1 = 250
The original price of a jacket is $100. The sale price is 40% off the original price. What is the sale price of the jacket?
Answer: $60 Explanation: 100 × 0.4 = 40 , 100 − 40 = 60
Olivia made 70% of the free throws she attempted during practice. If she attempted 20 free throws, how many did she make?
Answer: 14 free throws Explanation: 20 × 0.7 = 14
Ethan has $60 for dinner. His meal costs $50. He wants to leave a 20% tip. Does he have enough money?
Answer: yes Explanation: Tip = 50 × 0.2 = 10 , Total = 50 + 10 = 60 .
The original price of a toy is $20. The sale price is 10% off the original price. What is the sale price of the toy?
Answer: $18 Explanation: Discount = 20 × 0.10 = 2 Sale price = 20 − 2 = 18
