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Mathematics 13 Online
OpenStudy (anonymous):

The Smiths have two children. The sum of their ages is 23. The product of their ages is 132. How old are the children?

OpenStudy (anonymous):

x+y=23 xy=123

OpenStudy (anonymous):

sorry that is supposed to be a 132, not a 123

OpenStudy (anonymous):

So, we will solve by substitution, do you know it?

OpenStudy (anonymous):

so its 11&12 right ? @hedyeh99

OpenStudy (anonymous):

Yes

OpenStudy (anonymous):

thanks ! @hedyeh99

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