Question

If 120% of a is equal to 80% of b, which of the following is equal to a + b?

A.)1.5a
B.)2a
C.)2.5a
D.)3a
E.)5a

Answer 1

120% a = 80% b => 1.2 a = 0.8 b => b = 1.2a/0.8 = 1.5a
a + b = a + 1.5a = 2.5a (C)