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mixas84 [53]
3 years ago
13

Shawna bough 8 pizzas that cost, p, dollars each. She paid with a $100 bill and her change was less than $20. Write an expressio

n that can be used to model the situation.
Mathematics
1 answer:
RideAnS [48]3 years ago
6 0
100-8p>$20
take the cost of the pizzas, 8p, from the amount of money paid for, and that is greater than her change, which was less that 20 dollars
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Step-by-step explanation:

Formulae used,

a=\dfrac{(\sum x^2y\sum xx)-(\sum xy\sum xx^2)}{(\sum xx\sum x^2x^2)-({\sum xx^2)}^2}

b=\dfrac{(\sum xy\sum x^2x^2)-(\sum x^2y\sum xx^2)}{(\sum xx\sum x^2x^2)-({\sum xx^2)}^2}

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y= -0.0817x^2 + 102.24x - 20421

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y= -0.0817(350)^2 + 102.24(350) - 20421=\$5354.75


5 0
4 years ago
Read 2 more answers
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