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Seven Hundred Gallons of 87-Octane Gasoline Is Obtained by Mixing $\left\{ \begin{array} { l } x + y = 700 \\87 x + 90 y = 60,900\end{array} \right.$

Question 35

Multiple Choice

Seven hundred gallons of 87-octane gasoline is obtained by mixing 87-octane gasoline with 90-octane gasoline.Use a graphing utility to graph the two given equations.Let x and y represent the number of gallons of the 87-octane gasoline and 90-octane gasoline.As the number of gallons of the 87-octane gasoline increases,how does the number of gallons of the 90-octane gasoline change? $\left\{ \begin{array} { l } x + y = 700 \\87 x + 90 y = 60,900\end{array} \right.$

A) $Seven hundred gallons of 87-octane gasoline is obtained by mixing 87-octane gasoline with 90-octane gasoline.Use a graphing utility to graph the two given equations.Let x and y represent the number of gallons of the 87-octane gasoline and 90-octane gasoline.As the number of gallons of the 87-octane gasoline increases,how does the number of gallons of the 90-octane gasoline change? \left\{ \begin{array} { l } x + y = 700 \\ 87 x + 90 y = 60,900 \end{array} \right. A) Increases B) Decreases C) Decreases D) Increases E) Decreases$ Increases
B) $Seven hundred gallons of 87-octane gasoline is obtained by mixing 87-octane gasoline with 90-octane gasoline.Use a graphing utility to graph the two given equations.Let x and y represent the number of gallons of the 87-octane gasoline and 90-octane gasoline.As the number of gallons of the 87-octane gasoline increases,how does the number of gallons of the 90-octane gasoline change? \left\{ \begin{array} { l } x + y = 700 \\ 87 x + 90 y = 60,900 \end{array} \right. A) Increases B) Decreases C) Decreases D) Increases E) Decreases$ Decreases
C) $Seven hundred gallons of 87-octane gasoline is obtained by mixing 87-octane gasoline with 90-octane gasoline.Use a graphing utility to graph the two given equations.Let x and y represent the number of gallons of the 87-octane gasoline and 90-octane gasoline.As the number of gallons of the 87-octane gasoline increases,how does the number of gallons of the 90-octane gasoline change? \left\{ \begin{array} { l } x + y = 700 \\ 87 x + 90 y = 60,900 \end{array} \right. A) Increases B) Decreases C) Decreases D) Increases E) Decreases$ Decreases
D) $Seven hundred gallons of 87-octane gasoline is obtained by mixing 87-octane gasoline with 90-octane gasoline.Use a graphing utility to graph the two given equations.Let x and y represent the number of gallons of the 87-octane gasoline and 90-octane gasoline.As the number of gallons of the 87-octane gasoline increases,how does the number of gallons of the 90-octane gasoline change? \left\{ \begin{array} { l } x + y = 700 \\ 87 x + 90 y = 60,900 \end{array} \right. A) Increases B) Decreases C) Decreases D) Increases E) Decreases$ Increases
E) $Seven hundred gallons of 87-octane gasoline is obtained by mixing 87-octane gasoline with 90-octane gasoline.Use a graphing utility to graph the two given equations.Let x and y represent the number of gallons of the 87-octane gasoline and 90-octane gasoline.As the number of gallons of the 87-octane gasoline increases,how does the number of gallons of the 90-octane gasoline change? \left\{ \begin{array} { l } x + y = 700 \\ 87 x + 90 y = 60,900 \end{array} \right. A) Increases B) Decreases C) Decreases D) Increases E) Decreases$ Decreases

Seven Hundred Gallons of 87-Octane Gasoline Is Obtained by Mixing {x+y=70087x+90y=60,900\left\{ \begin{array} { l } x + y = 700 \\87 x + 90 y = 60,900\end{array} \right.{x+y=70087x+90y=60,900​

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Seven Hundred Gallons of 87-Octane Gasoline Is Obtained by Mixing $\left\{ \begin{array} { l } x + y = 700 \\87 x + 90 y = 60,900\end{array} \right.$

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