Mathematics: A plumber says it will cost at least $640 for parts and labor to repair a sink. The cost of the parts is $123 and the plumber charges $110 per hour for labor. How many hours is he planning to work? Write an inequality and solve. Write your answer in a sentence.

A plumber says it will cost at least $640 for - id64010499401, lllamasarebae3061

Ответ:

joey333

17.03.2022

Mathematics

40 + 75x = 125 + 25x

Step-by-step explanation:

t takes 5 hours of work for each to cost the same.

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Ответ:

crodriguez87

19.02.2020

Mathematics

$\dfrac{2y}{y^2-9y+18}-\dfrac{1}{y-6}=\\
\dfrac{2y}{y^2-3y-6y+18}-\dfrac{1}{y-6}=\\
\dfrac{2y}{y(y-3)-6(y-3)}-\dfrac{1}{y-6}=\\
\dfrac{2y}{(y-6)(y-3)}-\dfrac{1}{y-6}=\\
\dfrac{2y}{(y-6)(y-3)}-\dfrac{y-3}{(y-6)(y-3)}=\\
\dfrac{2y-y+3}{(y-6)(y-3)}=\\
\dfrac{y+3}{(y-6)(y-3)}$

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A plumber says it will cost at least $640 for parts and labor to repair a sink. The cost of the parts is $123 and the plumber charges $110 per hour for labor. How many hours is he planning to work? Write an inequality and solve. Write your answer in a sentence.

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