Question

The sum of a whole number A and a whole number B is 12, and the ratio A : B is equivalent to 1 : 3. Find A and B.

Answer 1

Answer- A = 3

B = 9

Explanation

1+3 = 4

12 ÷ 4 = 3

A:B

1:3

A = 1×3

B = 3×3

Answer 2

A = 3 ; B = 9

Step-by-step explanation:

A + B = 12

a/b = 1/3

b = 3a

(3) + (9) = 12

(3)/(9) = 1/3

(9) = 3(3)