Question

What will be the value of 'a' and 'b'. If the given fractions are equivalent?
3/a = 9/21 = b/35​

Answer 1

Answer:

3/a=9/21

9 x a = 3 x 21 (cross multiply)

a= 63 / 9

a =7.

9/21 = b/35

21 x b =9 x 35 (cross multiply)

b =9 x 35 /21

b = 15