Question

After selling 85 copies of a book for 100 printed copies, a publisher finds that 450 copies remain unsold. How many copies were printed?​

Answer 1

question :-

After selling 85 copies of a book for 100 printed copies, a publisher finds that 450 copies remain unsold. How many copies were printed ??

solution :-

Let the copies printed be x

Copies left after printing 100 copies = 100-85 = 15

Copies left after printing 1 copy = 15/100

Copies left after printing x copies = 15x/100

Now 450 = 15x/100

x= 300

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