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- anonymous

A store received $823 from the sale of
5 tape recorders and 7 radios. If the
receipts from the tape recorders
exceeded the receipts from the radios
by $137, what was the cost of a tape
recorder?

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- anonymous

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- anonymous

let the cost of tape be x and that of radio be y.
so 5x+7y=823............(1);
5x=137+7y...........(2)
from 1 & 2 14y=686; or y=$49;
hence x=(137+7*49)/5=96. please check it

- anonymous

Thank you. I made a mistake with the elimination process. I was not getting the answer on the key. Now I see what I did wrong. Thank you.

- anonymous

you welcome.

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