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Question We need a 1 m 80 cm cloth to make a shirt for a 10-year old child. How much cloth will be needed to make shirts for 20 such children?
20 × 1 m 80 cm = 20 × 1 m and 20 × 80 cm
= 20 m + 1600 cm (Break the quantity into m and cm and multiply. You can also convert it into cm and multiply
= 20 m + 16 m
= 36 m.
Multiplying and Dividing Lengths