Gene has a gasoline budget of $225 per month. He uses $5 of gasoline each day he drives. Which of the following equations represents how much money is left in his gasoline budget after x days of driving?

A.
y = 225x – 5
B.
y = 225 – 5x
C.
y = 5x – 225
D.
y = 225 + 5x

Question

Gene has a gasoline budget of $225 per month. He uses $5 of gasoline each day he drives. Which of the following equations represents how much money is left in his gasoline budget after x days of driving?

  A. 
y = 225x – 5
  B. 
y = 225 – 5x 
  C. 
y = 5x – 225
  D. 
y = 225 + 5x

texaschic101 · Answer

y = 225 - 5x

gabebae · Answer

@texaschic101 
Explain to him/her

texaschic101 · Answer

y = how much is left
x = number of days

225 is what he started with....subtract 5 each day
y = 225 - 5x

so lets say he drove for 2 days....x = 2
y = 225 - 5(2)
y = 225 - 10
y = 215
so in this case, he is left with $215 after driving 2 days

readergirl12 · Answer

Thanks.Could you help me with some more? c:

texaschic101 · Answer

sure

readergirl12 · Answer

You mind if I tag you?

texaschic101 · Answer

not at all...tag me if you need to