Question

Two girls aged 12 years and 15 years divide $72 in the ratio of their ages. How much does each girl receive?

Answer 1

Answer:

12 years = 16 USD

15 years = 20 USD  

Step-by-step explanation:

15 years =72:4= 18 we round to 20 for 15 years

12 years = 20+20 = 40  

72-40 = 32 : 2 = 16 USD for 12 years

Answer 2

Answer:

girl aged 12 years received $32

girl aged 15 years received $ 40

Step-by-step explanation:

1. add ages together 12 + 15 = (27)

2. use your answer 27 , as your denominator

to those ages , and multiply them with $72

$\frac{12}{27} \times 72 = 32 \\ \\ \\ \frac{15}{27 } \times 72 = 40 \\ \\ \\ \\ 32 + 40 = 72$

OR

girl aged 12 years old (a) 12÷27× $72

= $32

girl aged 15 years old (b) 15÷27×$72

= $40

(here's a proof $32 + $40)