Question

if 7a =3and 3b =7 ,what is the value of a/b?

Answer 1

Answer:

take 7a = 3 as equation 1 and take 3b = 7 as equation 2

diving 1 and 2

we get, a/b = 9/ 49

Answer 2

Answer:

a=3/7

b=7/3

so, a/b=3/7/7/3=3×3/7×7=9/49