3 years ago

Bryn's age is given by the expression 3g - 7, where g is her sister Gabriela's age. If Bryn is 17, how old is Gabriela?

1 answer:

8 0

You are told that B=3g-7 and you are also told that B=17 so

3g-7=17 add 7 to both sides

3g=24 divide both sides by 3

g=8

So Gabriela is 8 years of age.

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