An X-Box costs $350. Additional games cost $50 each. Which of the following depicts a valid method to determine the number of games that can be purchased, after the purchase of the X-Box, if one has a budget of $500?
?
A. ?
| Number of Video Games | Amount of Money Left |
| 0 | $350 |
| 1 | $300 |
| 2 | $250 |
B. ?
| Number of Video Games | Amount of Money Left |
| 0 | $500 |
| 1 | $450 |
| 2 | $400 |
C. ?
| Number of Video Games | Amount of Money Left |
| 0 | $150 |
| 1 | $100 |
| 2 | $50 |
D. ?(500 - 350) + 50x, where x is the number of games purchased.
E. ?
| Number of Video Games | Cost of X-Box | Total Amount $ Left |
| 0 | $350 | $150 |
| 1 | $350 | $150 + $50 |
| 2 | $350 | $150 + $100 |
Answer: A
Mathematics
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