Question

Write the other three proportions using the four values in each proportion:
a). 2/5 = 10/25 b). a/9 = 12/27

Answer 1

a. 5/2 = 25/10
2/10 = 5/25
10/2 = 25/5
b. 9/a = 27/12
a/12 = 9/27
12/a = 27/9
a = 4