11.) In 7:6=21:n, the value of n is

• 18

Solution:

7:6 = 21:n

7n = 126

n = 18

12.) What is the value of n in 40:60=n:12?

• 8

Solution:

40:60 = n:12

480 = 60n

n = 8

13.) Atis are sold at 3 for P36. How much will you pay for a dozen atis?

• ₱144

Solution:

3:36 = 12:n

3n = 432

n = 144

14.) In 9:15 = 6:n, what is the value of n?

• 10

Solution:

9:15 = 6:n

9n = 90

n = 10

5.) Three apples cost of P24.How many apples can you buy with P56?

• 7 apples

Solution:

3:24 = n:56

168 = 24n

n = 7