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hoa [83]
3 years ago
5

IF YOU ANSWER THIS I WILL GIVE YOU BRAINLIEST!! 21PTS

Mathematics
1 answer:
vovangra [49]3 years ago
4 0
<span>200 < 225 + 80x < 550

The 200 is the amount the Jenna currently have. 
225 + 80x is the amount that Jenna has to pay given x number of hours.
550 is the sum of Jenna's 200 and additional 350 she can get by selling pre-ordered Cds. This is the maximum amount she can pay for the studio rental and sound technicians.

225 + 80x < 550
80x < 550 -225
80x < 325
80x / 80 < 325/80
x < 4.06 or 4 hours

225 + 80x </span>→ 225 + 80(4) = 225 + 320 = 545
<span>
The number of hours for the sound technician will range from 1 hour to 4 hours. 

Assuming they will use 6 hours.

225 + 80(6) = 225 + 480 = 705
705 - 550 = 155

Jenna has to raise an additional $155 to pay off the studio rent and 6 hours of sound technicians. 


</span>
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Step-by-step explanation:

Let first mechanic worked for X hours and second mechanic worked for Y hours .

Now, according to the question , they worked for a total of 25 hours .

Thus ,

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Also, first mechanic is charging $ 95 per hour and second mechanic is charging $115 per hour .

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Putting equation 1 in equation 2 we get ,

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Thus , Y =  25 - X = 15 hours.

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Good Luck! :)

<3


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