Question

if 120% of 'a' is equal to 90% of 'b, then b+a/b-a
is equal to​

Answer 1

Answer:

$\red\huge\boxed{7}$

Step-by-step explanation:

120%=120/100

90%=90/100

120/100Xa=90/100Xb

120a=90b

a=3/4Xb

b+a/b-a=b+3/4b/b-3/4b

$7b/4$/b/4=7