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Algebra
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10 Nov 2019

a ) Define variable(s)

b) Set up the equation.

c) Solve the equation.

An experienced roofer can work twice as fast as her helper. Working together, they can shingle a new section of roof in 4 hours. How long would it take the experienced roofer, working alone, to complete the same job?

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Jamar Ferry
Jamar FerryLv2
21 Aug 2019

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