SOLVE PROPORTION
13. 5/n =16/32
14. 36/42=24/r
15. 9/10=d/6.4
16. x/8=3/12

13) n = 10

14) r = 28

15) d = 5.76

16) x = 2

Step-by-step explanation:

1)Solution by Proportion

Since the equation is an equality

If

16 ÷ 5 = 3.2

Then it is true that

32 ÷ x n = 3.2

Solving for n

n = 32 ÷ 3.2

n = 10

2) Since the equation is an equality

If

36 ÷ 24 = 1.5

Then it is true that

42 ÷ r = 1.5

Solving for r

r = 42 ÷ 1.5

r = 28

3)Since the equation is an equality

If

10 ÷ 6.4 = 1.5625

Then it is true that

9 ÷ d = 1.5625

Solving for d

d = 9 ÷ 1.5625

d = 5.76

4)Since the equation is an equality

If

12 ÷ 8 = 1.5

Then it is true that

3 ÷ x = 1.5

Solving for x

x = 3 ÷ 1.5

x = 2

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