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Arte-miy333 [17]
3 years ago
14

Matt's phone bill consist of an initial monthly charge of $30 and then he pays $4.50 per gigabyte of internet he uses. If he spe

nt a total of $52.50, and x represents gigabytes, which equation can be used to figure out how many gigabytes he used?
Mathematics
1 answer:
ivanzaharov [21]3 years ago
5 0

Answer:

5 gigabytes

Step-by-step explanation:

30+4.50x=52.50 (equation)

-30           -30

4.50x=52.50

/4.50   /4.50

x= 5

5 gigabytes

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A hot air ballon ascended at the rate of 400 ft per hour for 3 hours and 15 min. What was the total distance that the ballon asc
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The balloon ascended 1300ft.

WORK:

3*60=180

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A recent survey by the American Cancer Society shows that the probability that someone is a smoker is P(S) = 0.19. It has also d
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8 0
3 years ago
How many adult tickets were sold if each adult ticket sold was $6 and each student ticket was $4.50 and 260 tickets were sold fo
erik [133]

Answer:

   Adult tickets sold:   156

Step-by-step explanation:

   Adult ticket:   x

Student ticket:  y

x + y = 260                  ===>   -6(x + y = 260)     ===>  -6x -6y = -1560

6x + 4.5y = 1404         ===>                                           6x + 4.5y = 1404

                                                                                  ________________

add the two equations to eliminate a variable:                  -1.5y = -156

divide by -1.5:                                                                              y = 104

substitution to find x:

      x + y = 260

  x + 104 = 260

            x = 156

5 0
3 years ago
You have $900 in a checking account. You pay a $60 cell phone bill each month using this account.
S_A_V [24]

Answer:

$660

Step-by-step explanation:

You multiply 60 by 4 and get 240

Subtract 240 from 900

7 0
3 years ago
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