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FinnZ [79.3K]
3 years ago
11

Please help , thank you !!!!!!1

Mathematics
1 answer:
Lynna [10]3 years ago
6 0
Answer is 7.
55+5X=90
5X=90-55
5X=35
X=35/5
X=7
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3 years ago
I NEED HELP WITH THIS PLEASE HELP ME
vekshin1

Answer:

156 minutes

Step-by-step explanation:

So we need to create an equation to represent how Frank's phone company bills him

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So the phone company charges an $8 monthly fee, so this value remains constant and will be our "y-intercept"

They then charge $0.06 for every minute he talks, this will be our "slope"

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Now since we were given Franks phone bill total and want to figure out how many minutes he used, we just need to solve the equation for x and plug in our known y value

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