The cost of 10 notebooks is Rs.420. Find the cost of 20 notebooks.
Answers
Answered by
2
Answer:
Cost of 10 notebooks = Rs420
Cost of 1 notebook = 420/10
Cost of 20 notebooks = 420/10 * 20
= Rs840 Ans
Step-by-step explanation:
Answered by
0
Answer:
Rs. 840
Step-by-step explanation:
Cost of 10 notebooks = Rs 420
Cost of 1 notebook = 420 divided by 10
= 42
Hence cost of 1 notebook is Rs 42
Cost of 20 notebooks = 42 x 20
= 840
Answer = Rs. 840
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