Math, asked by bye83, 3 months ago

If the cost of 20 books is ₹ 180, how much will 15 books cost

Answers

Answered by mavin7373

4

Answer:

135

by using unitary method

180/20=9

which means 1book costs 9 rupees

thn

9×15=135

15 books costs 135 rupees

thnks

Answered by sarikasaini169

5

cost of 20 books =₹180

cost of 1 book = 180/20=₹9

cost of 15 books =9×15

=₹135

mark me as brainliest plz

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