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Valentin [98]
2 years ago
15

Vince has a movie rental gift card that start with $50 on it. Each movie he rents costs him $4.

Mathematics
2 answers:
Travka [436]2 years ago
6 0
The entire question is: D = 50 - 4m

Slope: -4

Y-intercept: 50

Been a while since I've had to do math like this, cause I don't know how what to do with the last one
Leto [7]2 years ago
5 0

Linear function: d = -4m+50 (that's a negative 4 btw)

Slope: -4

y-intercept: 50

I'm truly sorry but I forgot how to do the last one :(


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Pizza Uno offers 2/3 of a small pizza for $3.50. Pizza Duo offers % of a small pizza for $4.20. How much does each charge for a
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Answers:

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  • Pizza Duo = $5.60

Those are the costs for a whole small pizza.

==========================================================

Explanation:

Let

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  • y = cost of whole small pizza from Pizza Duo

x and y are some dollar amount, so they cannot be negative numbers. It also doesn't make sense to have them be 0 either. So we'll make them positive.

2/3 of x is equal to 3.50 as the first sentence mentions. This forms the equation (2/3)*x = 3.50

Multiply both sides by the reciprocal of 2/3 to isolate x

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(3/2)*(2/3)*x = (3/2)*3.50

x = 5.25

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----------------------------

Pizza Duo charges $4.20 for 3/4 of a small pizza, meaning the equation we need to solve is

(3/4)y = 4.20

We'll use the same idea as the last equation to get...

(3/4)y = 4.20

(4/3)*(3/4)y = (4/3)*4.20

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Pizza Duo charges $5.60 for a whole small pizza.

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__

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