Solve the following.
If 20 metres of cloth cost ₹ 3600, find the cost of 16 m of cloth.
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Solution
Cost of 20 m of cloth = ₹ 3,600 ∴ Cost of 1 m of cloth = ₹ 360020 = ₹ 180 ⇒ Cost of 16 m of cloth = ₹ 180 × 16 = ₹ 2,880 Thus, the cost of 16 m of cloth is ₹ 2,880.