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A friend gave Ms. Morris a $50 gift card for a local car wash. If each car wash costs $6, which equation shows the number of dollars left on the card? Let y be the value left on the card and x be the number
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A friend gave Ms. Morris a $50 gift card for a local car wash. If each car wash costs $6, which equation shows the number of dollars left on the card? Let y be the value left on the card and x be the number of car washes used.

User Matt McHenry
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1 Answer

2 votes
50-6x=y
since each car wash is 6 dollars and you do not know the number of cars washed it is 6x
50-6x is because you need to find out how much is left in the card so you subtract the total from how much she spent
User Channa Jayamuni
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