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44 votes
44 votes
Marco says mom has sent him to the store to buy apples and oranges she gives Marco instructions to buy 4 pounds of apples and 4 as many pounds of oranges as possible he also has to spend exactly $9.11 of 1 pound of apples cost $1.29 and 1 lb of oranges cost 79 cents how many pounds of oranges will Marcos be able to buy use the equation below to find your answer $1.29 (4) +0.79x=9.11

User Simkusr
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1 Answer

13 votes
13 votes

To find how many pounds of oranges Marco can buy we need to solve the equation given:


\begin{gathered} 1.29(4)+0.79x=9.11 \\ 5.16+0.79x=9.11 \\ 0.79x=9.11-5.16 \\ \text{0}.79x=3.95 \\ x=(3.95)/(0.79) \\ x=5 \end{gathered}

Therefore Marco bought 5 pounds of oranges.

User Spky
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