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Mark often buys lunch at the deli next to his work. Lunch at the deli costs $7.50. Mark sets aside $150 for lunches at the deli at the beginning of the month. Which equation describes how much money, y, Mark has after eating lunch at the deli x times during the month?

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Answer:

y = 150 - 7.50x

Step-by-step explanation:

Given that:

Cost per lunch = 7.50

Amoint budgeted for lunch = $150

The equation which models the amount of money, y Mark has after eating x times at the Deli

Amount left = Amount budgeted for lunch - (cost per lunch * number of lunch eaten)

y = $150 - ($7.50 * x)

y = 150 - 7.50x

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