Question

the cost of 11 books is 132 find the cost of 8 such books​

Answer 1

Answer:

30

5 pens + 10 pencils = 30

pens + 2 pencils = 1

also given pen cost 3 more than a pencil

i.e, pen = 3 + pencil.

pen - pencil = 3

pens + 2 pencils = 6

_______________

-3 pencils = -3

pencils = 1

pen - 1 = 3

pen = 4

cost of pencils = 1 cost of pen = 4

Answer 2

Step-by-step explanation:

Cost of 11 books = ₹132

So cost of 1 book = 132 ÷ 11

=₹12

1 book = ₹12

Cost of 8 such books =?

=12 × 8

=96

So 8 books cost ₹96