B. Solve the problems involving direct proportion. Show your solution on your answer sheet.
 
1.     The ratio of the adult to child’s ticket price is 5:2. If an adult ticket costs Php100, how much does 5 child’s ticket cost?
 
2.     Diane received Php240 for working 6 days. At the same rate, how much will she received after working 20 days?
 
3.     The ratio of boys to girls at the basketball game is 8:5. There are 30 girls. How many more boys are there than girls?
 
4.     In each bus the ratio of boys to girls is 5:8. There are 15 boys in each bus. How many children are there in all if there are 8 buses?
 
C. Solve the problems involving inverse proportion. Show your solution on your answer sheet.
 
1.     Twelve painters can paint a building in 10 days. How many painters is needed to paint it in 6 days?
 
2.     Three pumps working together can empty a swimming pool in 6 hours. How long will 6 pumps take to empty the pool?
 
3.     A box of chalk will last 9 days if 4 pieces of chalk are used each day. How long will the box last if 3 pieces are used each day?
 
4.     A certain number of chairs are put in the hall. They will be arranged in 21 rows if 18 chairs are put in each row. How many rows will be formed if 4 less chairs are out in each row?
 
C. Solve the problems involving partitive proportion. Show your solution on your answer sheet.
 
1.     Two numbers are in the ratio 5:3. If the sum is 88, find the 2 numbers.
 
2.     Mr. Reyes has a rope which is 90 m long. He needs to divide it in the ratio 4:3:2. How long will each piece be?
 
3.     Nica and Denise are anxious about their weights. The ratio of their weights is 9:8. If they weigh a total of 204 pounds, how much heavier is Nica than Denise?
 
4.     Three numbers are in the ratio of 8:5:3, if the middle number is 35, what is the sum of the three numbers?
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