Mathematics, 28.08.2020 14:01 saucyboyFredo

Keith received a gift card of $90 for a pizza restaurant. The restaurant charges $15 per pizza. Mary received a gift card of $110 for a different pizza restaurant. The restaurant charges $20 per pizza. Let x be the number of pizzas purchased. For each card, write an expression for the amount of money left on the card after purchasing x pizzas.
Amount of money left on Keith's card in dollars =
Amount of money left on Mary's card in dollars=
Write an equation to show that the two cards have the same amount of money left on them [don't know how to do this part.

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Keith received a gift card of $90 for a pizza restaurant. The restaurant charges $15 per pizza. Mary...

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