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Question Number 123062 by pete last updated on 22/Nov/20

$${\mathrm{Erica}}^{\prime }\mathrm{s}\mathrm{age}\mathrm{is}8\mathrm{years}\mathrm{and}\mathrm{her}\mathrm{mother}\mathrm{is}42.$$$$\mathrm{In}\mathrm{how}\mathrm{many}\mathrm{years}\mathrm{time}\mathrm{will}\mathrm{the}\mathrm{mother}\mathrm{be}$$$$3\mathrm{times}\mathrm{as}\mathrm{old}\mathrm{as}\mathrm{her}\mathrm{daughter}?$$

Answered by JDamian last updated on 22/Nov/20

$$42+y=3(8+y)$$$$42+y=24+3y$$$$18=2y$$$$y=9$$

Commented by pete last updated on 22/Nov/20

$$\mathrm{Thank}\mathrm{u}\mathrm{so}\mathrm{much}\mathrm{sir}$$

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