Question

Milly and Molly's ages add up to 19 years . Milly is 3 years older than Molly how old are thay?

Answer 1

Answer:

8,11

Step-by-step explanation:

Let Molly's age be x.

Then, Milly's age is (x+3)

Given,

x + (x + 3) = 19

2x + 3 = 19

2x = 16

x = 8

So Molly is 8 years old and Milly is 11 years old

Answer 2

Step-by-step explanation:

let Molly's age be x

then,

we have, age of Milly = 3x

now, According to the question,

3x+x=19

4x =19

x = 19 /4= 57 months

3x=57 ×3 =171 months