NedDaNerd NedDaNerd

13-01-2021
Mathematics

contestada

I NEED HELP WITH THIS PROBLEM......

I NEED HELP WITH THIS PROBLEM class=

Respuesta :

jcherry99 jcherry99

13-01-2021

Answer:

son = 18 years old.

Step-by-step explanation:

Father to son = f/s = 7./3 Cross Multiply

3f = 7s

f + s = 60

f=60 - s

3(60-s)= 7s

180 - 3s = 7s

180 = 7s + 3s

180 = 10s

s = 180/10

s = 18

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