NOTE: Round your answers to the hundredth decimal place or nearest cent. RATIO AND PROPORTION QUIZ1. A person types 360 words in 4 minutes. How much time does he take to type 900 words?2. The average age of three boys is 25 years and their ages are in the proportion 3:5:7. Findthe age of the youngest boy.3. The difference between two numbers is 33 and the ratio between them is 5: 2. Find thenumbers.4. The ratio of the no. of boys to the no. of girls in a school of 720 students is 3:5. If 18 newgirls are admitted in the school, find how many new boys may be admitted so that the ratio ofthe no. of boys to the no. of girls may change to 2:3.5. If $782 is divided among three persons A, B and C in the ratio 1/2: 2/3: 3/4, then find theshare of A.6. 6 bowls cost $90. What would be the cost of 10 such bowls?7. Hamburger meat sells for $6 for every 3 pounds. If Alicia buys 10 pounds of hamburger meat,how much will she pay?8. The ages of A and B are in the ratio 3 : 5. Four years later, the sum of their ages is 48. Findtheir present ages.9. A cake recipe calls for 1.5 cups of milk and 3 aups of flour. Seth made a mistake and used 5cups of flour. How many cups of milk should he use to keep the proportions correct?10. A sum of money is divided among Ron and Andy in the ratio 4:7. If Andy's share is $616, findtotalthemoney.11. An amount of money is to be divided among P, Q and R in the ratio 3:7:12. The differencebetween the shares of P and Q is $2400. What will be the difference between the shares of Qand R ?12. Ramon has notes of $100, $50 and $10 respectively. The ratio of these notes is 2:3:5 andthe total amount is $2,00,000. Find the numbers of notes of each kind.13. Divide $430 into 3 parts such that A gets 5/4 of B and the ratio between B and C is 3:4.14. The monthly incomes of two persons are in the ratio 4:5 and their monthly expenditures arein the ratio 7:9. If each saves $50 per month, find the monthly income of the second person.15. A certain sum of money is divided among A, B, C in the ratio 2:3:4. If A's share is $200,find the share of B and C.16. Divide $940 among A, B, C in the ratio 1/3: 1/4 : 1/517. In a library the ratio of English books to Math books, is the same as the ratio of Math books toScience book. If there are 1200 books on English and 1800 books on Math, find the numberof Science books.18. The ratio of the prices of two houses was 16 : 23. Two years later when the price of the firsthas increased by 10% and that of the second by $477, the ratio of the prices becomes 11:20. Find the original price of the first house.19. The ratio of monthly income to the savings in a family is 5:4 If the savings be $9000, findthe income and the expenses.20. The ratio of number of male and female teachers in a school is 3: 4. If there are 16 femaleteachers, find the number of male teachers.

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RATIO AND PROPORTION QUIZ 1. A person types 360 words in 4 minutes. How much time does he take to type 900 words?