Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$INCLASSTHEREARE40BOYANDTHEIRAVARGEIS16YEARSONEBOYAGED17YEARSISLEVINGTHECLASSANDANOTHERJOININGTHENAVARAGEBECOME15.875YEARSTHEAGEOFTHENEWBOYIS$$

Answer

172720*INCLASSTHEREARE*BOYANDTHEIRAVARGEIS*YEARSONEBOYAGED*YEARSISLEVINGTHECLASSANDANOTHERJOININGTHENAVARAGEBECOME*YEARSTHEAGEOFTHENEWBOYIS

Solution


Simplify.
\[172720INCLASSTHEREAREBOYANDTHEIRAVARGEISYEARSONEBOYAGEDYEARSISLEVINGTHECLASSANDANOTHERJOININGTHENAVARAGEBECOMEYEARSTHEAGEOFTHENEWBOYIS\]
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