robertsjuniper robertsjuniper

25-03-2022
Mathematics

contestada

robins grandmother is 7 times older than him. in 12 years, she will be 3 times as old as him. how old is robin?

Respuesta :

aprilmshops aprilmshops

25-03-2022

Step-by-step explanation:

the answer either maybe somebody could help

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lpacheco6451 lpacheco6451

25-03-2022

Answer:

6 year's old

Step-by-step explanation:

Grandma is G and Robin is R

G=7R

G+12=3(R+12)

G+12=3R+36

7R+12=3R+36

7R-3R=36-12

4R=24

R=6

Robin is 6 years old

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