Question

3 knives cost₹ 63 .what will 17 knives cost? solution

Answer 1

Answer:

Use the unitary method

Step-by-step explanation:

3 knives costs = ₹63

1 knife costs = ₹63 / 3

17 knives will cost = ₹63/3 *17 = ₹357

Answer 2

Given - Cost of 3 knives

Find - Cost of 17 knives

Solution - 17 knives will cost Rupees 357

The question can be solved using a unitary method.

First finding the cost of one knife.

Then, multiply the cost with 17 to find the answer.

Cost of one knife = Total cost/Number of knives

Cost of one knife = 63/3

Cost of one knife = 21

Cost of 17 knives = 21*17

Cost of 17 knives = Rupees 357

Hence, 17 knives will cost Rupees 357