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ohn and 3 friends are going out for pizza for lunch. They split one pizza and 4 large drinks. The pizza cost $13.00. After using a $6.00 gift certificate, they spend a total of $13.20. Write an equation to model this situation, and find the cost of one large drink.

Answer :

choixongdong
4 large drinks
The pizza cost $13.00
$6.00 gift certificate
d= cost of one drink

equation
4d + 13 - 6 = 13.20
4d + 7 = 13.2
4d = 6.2
d = 1.55

answer
the cost of one large drink is $1.55

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