7,042 views
22 votes
22 votes
Rachel's age is 4 years less than 2 times her brother's age. Rachel's age is 8 minus her

brother's age. How old is Rachel's brother?

User LukeA
by
2.4k points

2 Answers

15 votes
15 votes
Rachel’s age is x.
Her brother’s age is y.

x=2y-4=8-y

Solving this results in (x,y)=(4,4), which are coordinates.
These coordinated mean x (Rachel’s age) is 4, and y (her brother’s age) is also 4.

=Rachel’s brother is 4.
User Mdemolin
by
2.6k points
18 votes
18 votes

Answer:

3 or 13? i think

Explanation:

User Badr
by
3.1k points
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