A plumber pays $3.60 for 60 centimetres of pipe.How much he should pay if he buy for 100 centimetres
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60 cm = $3.60 (Given)
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STEP 1: Find the cost of 1 cm of the pipe:
60 cm = 3.60
1 cm = 3.60 ÷ 60 = $0.06
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STEP 2: Find the cost of 100 cm of the pipe:
1 cm = $0.06
100 cm = 0.06 x 100 = $6
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Answer: He should pay $6 for 100 cm of the pipe.
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