selahdlc selahdlc

23-03-2021
Mathematics

contestada

Mary is three times as old as her son. In 12 years Mary will be twice as old as her son. How old is each of them now? ANSWER QUICKLY PLEASE I WILL MARK BRAINLYIST

Respuesta :

centauron114 centauron114

23-03-2021

Mary is 36 and her son is 12

m=3s

m+12=2s+24

12= -s+24

s=12

Answer Link

kica226 kica226

23-03-2021

Mary=3x
son=x
3x+12=2x
3x-2x= -12
x= -12
x=12
Mary=3•12=36
son=12

Answer Link

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