Question

Find the value of x in each of the following proportions
a. 2:18=x:99

Answer 1

11

Explanation:

2/18 = x ÷ 99

1/9 = x ÷ 99

1 = x ÷ 11

x = 11

Answer 2

x = 11

Explanation:

2/18 = x/99

1/9 = x/99

1/1 = x/11

1 = x/11

x = 11