Question

How to solve this proportion​

Answer 1

There is reduce, cross multiplication, then calculate, swap the side and divide both sides.

Answer 2

1. 13.33

2. 3

3. 35

Explanation:

10/n = 21/28

Isolate n.

n/10 = 28/21 (Flipping the fractions)

n = 28 * 10 /21

n = 13.33 (recurring)

Repeat the same process for the other questions.

1.4/1.05 = 4/n

1.05/1.4 = n/4

N = 3

7/n = 0.6/3

n/7=3/0.6

n=35