Question

Emma is four times as old as Carly. Carly is three times as old as Alanna. If the sum of their ages is 64 what are their ages?

Answer 1

Given:

Emma is four times as old as Carly. Carly is three times as old as Alanna. If the sum of their ages is 64.

Required:

What are their ages?

Step-by-step explanation:

We have,

Emma is four times as old as carly.

`\begin{gathered} Emma=4* Carly \\ Carly=3* Alanna \end{gathered}`

Sum of their ages is 64. That is,

`\begin{gathered} Emma+Carly+Alanna=64 \\ 12* Alanna+3* Alanna+Alanna=64 \\ 16* Alanna=64 \\ Alanna=4 \\ So,Carly=3*4=12 \\ Emma=4*12=48 \end{gathered}`

Answer:

Age of Emma, Carly and carly is 48, 12 and 4 respectively.