ans plz make it fast
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Answer -
He had bought 160 books .
Answer key -
Find out the cost of one book in unitary method , then creat a quadratic equation and solve .
Equation -

Do it yourself !!
He had bought 160 books .
Answer key -
Find out the cost of one book in unitary method , then creat a quadratic equation and solve .
Equation -
Do it yourself !!
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