Question

If A's income is 60% more of B's income and B's income is 40% less than C's income, then by what percent is C's income more than A's income?

A) 2.4%
B) 7.6%
C) 6.8%
D) 4.2%​

Answer 1

Answer:

D

Step-by-step explanation:

a = (1+60%) b

a= 1.6b

b =(1-40%)c

b = 0.6c

a=1.6*0.6c = 0.96*c

c= 1/0.96 a = 1.04a

%c income morethan a

= c-a/a ×100 = 1.04a-a /a ×100 = 4.17%