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9 April, 06:11

Shelly has a gift card for her favorite restaurant for $15. She wants to treat a group of her friends sandwiches at the restaurant. Sandwiches cost $4.50 each. Write an equation that model the total money Shelly owes if she buys x sandwiches after using the gift card.

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  1. 9 April, 08:46
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    Answer: the equation is y = 4.5x - 15

    Step-by-step explanation:

    Let x represent the total number of sandwiches that shelly bought at her favorite restaurant.

    Shelly has a gift card for her favorite restaurant for $15. Sandwiches cost $4.50 each. If she buys a total number of x sandwiches, it means that that the total cost will be 4.5*x = $4.5x

    Let y represent the amount of money that she owes after buying x sandwiches. Therefore

    y = 4.5x - 15
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