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Polly the plumber would like to cut a 35-ft length of pipe into three sections. The middle-sized pieceshould be twice the length of the smallest piece, and the largest piece should be twice the length of themiddle-sized piece. How long should each piece be?lication problem solving steps, define what your variable represents

Sagot :

total lenght = 35ft

3 sections

Smallest piece = L

Middle piece = 2L

LArgest piece = 2 (2L) = 4L

35 = L+2L+4L

Solve for L

35 = 7L

35/7 = L

L=5

Smallest piece = 5 ft

Middle piece = 2(5) = 10 ft

LArgest piece = 4 (5) = 20 ft