Question

The sum of the ages of Andrew and Hanna is 64 years. 8 years ago, Andrew's age was 3 times Hanna's age. How old is Andrew now?

Answer 1

Answer:

44yrs

Step-by-step explanation:

sum= 64

8yrs ago

Hanna =  x - 8

Andrew =3x - 8

sum 8yrs ago

64 - 8 - 8    =   48 yrs

       |      \

Hanna's    Andrew's

3x + x = 48

4x = 48

4      4

x = 12

Andrew = 3x = 3 x 12 = 36( 8 yrs ago)

       now = 36 + 8 = 44yrs

Hanna's = x = 12(8 yrs ago)

   now = 12 + 8 = 20yrs