( 1 ) Sahil buys eight books for ₹ 72 . What is the coast 45 books?( 2 ) Arun earns ₹ 3,90,000 per year. Find his earnings for 25 weeks.​

Answers 2

Answer:

  1. by unitary method

8 books= 72₹

1 book= 72÷ 8 = 9

45 books=9×72=648₹

2. find yourself

Answer:

1 - 405

2 - 17692.5

Step-by-step explanation:

cost of 8 books is 72

cost of 1 book will be 72/8 = 9

cost of r books will be 9 × 45 = 405

2nd question can also be answered similarly

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