________________ Calculate Ratios Practice Problems ________________ 1. If there are 20 cats and 25 dogs in an animal hospital, what is the ratio of cats to dogs? 4:5 2. 30 girls and boys have planned for a picnic. There is a ratio of 7 girls to 3 boys. How many girls are there? 21 girls 3. The ratio of marbles to stones in a large pot is 6 to 7. If there are 42 marbles, then how many stones are there? 49 stones 4. If a TV costs $175 and two friends shared the cost of it at a ratio of 2:3, how much did each person pay? $70 $105 5. Taylor and Mark share some money in the ratio 2:3. Taylor’s share is $110. How much is Mark’s share? $165 ________________ 6. There are 600 learners in a school. The ratio of girls to boys is 3:5. How many girls are there in the school? 225 girls BONUS: A small theater sold 72 tickets to a play. The ratio of adults to children is 4:1. The ratio of adults to seniors is 4:3. How many children, adults, and seniors were at the play? 9 children 36 adults 27 seniors ________________ ________________ Related Topics to Review ANSWER KEY ________________ How to Simplify a Ratio 7. What is the simplest form of the ratio 15:21? 5 : 7 How to Make a Ratio 8. If there are 3 times as many monkeys as there are elephants at a zoo, what is the ratio of monkeys to elephants? 3 : 1 How to Calculate Percentages 9. If you bring 10 apples on a picnic and you eat 2 apples, what percent of the apples remain? 80% How to Multiply Fractions with Whole Numbers 10. 4 x =