Question

20000 books cost =70000 r how much cost for 80000 books=?​

Answer 1

Answer:

cost of 80000 books =280000 r

Step-by-step explanation:

Cost of 20000 books = 70000 r

Cost of 1 book=70000/20000 (70000 divided by 20000).

Cost of 80000 books =70000÷20000×80000

=280,000 r

(applying unitary method)

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Answer 2

Answer:

20000book cost=Rs70000

1 book cost =70000÷20000

=7/2

80000book cost =7/2×80000

=280000

Step-by-step explanation:

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