Answer:

B.

P

NP

NP

P

NP

NP

C.

3:4 equal n:28

28 times 3 divided by 4 equal 21

N = 21

3:5 equal n:60

60 times 3 divided by 5 equal 36

N= 36

4:n equal 20:45

4 times 45 divided by 20 equal 9

N= 9

2:7 equal 30:n

30 times 7 divided by 2 equal 105

N= 105

n:33 equal to 5:3

33 times 5 divided by 3 equal 55

N= 55

D.

Inverse proportion

Ans. 0.5

Direct proportion

Ans. 5

Partitive proportion

Ans. 32

Partitive proportion

Ans. 10:20:30