Question

If 15 pencils cost Asi 90%, what will be
the cost of 10 such pencils?​

Answer 1

Step-by-step explanation:

FIRST WE SHALL FIND THE COST OF 15 PENCILS THAT IS

15*90/100

15*9/10

3*9/2

27/2

13.5

COST OF ONE PENCIL IS 13.5/15 = 0.9

COST OF TEN PENCILS IS 10*0.9 = 9

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