An electrician needs 5 pieces of tape. Each tape needs to be three metres and two-fifths long. The electrician has a 20 metre roll of tape. How much tape does he have left?
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Answer:
3 m
Step-by-step explanation:
No. of pieces electrician needs = 5 pieces
length of each piece = 3 2/5 m
length of tape electrician has = 20 m
total length of 5 pieces = 3 2/5 * 5
17/5 * 5 = 17 m
∴ remaining meters of tape = 20 m - 17 m
= 3 m
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