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39 votes
Write a linear equation in one variable to help you answer the question. Your dad is researching landscaping companies to come put new mulch out for the year. The first company charges $100 just to come out, plus $10 per bag of mulch, , needed. The second company doesn’t charge to come out but charges $30 per bag of mulch. After how many bags of mulch will the total cost of each company be the same?

Write a linear equation in one variable to help you answer the question. Your dad-example-1
User Alvarogalia
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1 Answer

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10 votes

\begin{gathered} 100\text{ + 10m= 30m} \\ 100=\text{ 30m - 10m} \\ 100=\text{ 20m} \\ (100)/(20)=m \\ \\ 5=m \end{gathered}

m= Bag of mulch needed.

Then, after 5 bags of mulch, the total cost of each company will be the same.

User Jchook
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