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No im so sorry this isn't my strongest subject.

what is the LCD of all the fractions?

Wouldn't it be 1?

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it's actually 4y(y+15)
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Thank you guys for the help!!

so you see how the LCD is 4y(y+15) ?

Brian's time to build the car on his own is 20 hours

Yeah I see it now. Thank you!!

your welcome......

ok tell me what you get for y

Wait you would distribute it right?

did you multiply all the fractions by the LCD?

Okay Thank you!!

you're welcome