SOLUTION: Natural and Whole Numbers. A student at St. F. X. decided to become his own employer by using his car as a taxi for the summer. It costs the student $693.00 to insure his car for

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Question 304613: Natural and Whole Numbers.
A student at St. F. X. decided to become his own employer by using his car as a taxi for the summer. It costs the student $693.00 to insure his car for the 4 months of summer. He spends $452.00 per month on gas. If he lives at home and has no other expenses for the 4 months of summer and charges an average of $7.00 per fare, how many fares will he have to get to be able to pay his tuition of $3280.00?
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Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
It costs the student $693.00 to insure his car for the 4 months of summer.
He spends $452.00 per month on gas.
If the 4 months of summer and charges an average of $7.00 per fare, how many
fares will he have to get to be able to pay his tuition of $3280.00?
:
let x = no. of fares required to show a profit of $3280
:
7x - 4(452) - 693 = 3280
:
7x - 1808 - 693 = 3280
:
7x - 2501 = 3280
:
7x = 3280 + 2501
:
7x = 5781
x = 5781%2F7
x ~ 826 fares