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REY [17]
3 years ago
6

Amela put 15x- 4 gallons of gas in her car at the beginning of the week. She used 7x-3 gallons driving to work. Which of the fol

lowing choices represents the
number of gallons left in her car?

A) 22x+7
B) 22x-7
C) 8x+1
D) 8x-1
Mathematics
2 answers:
snow_lady [41]3 years ago
8 0

Answer:

D) 8x - 1

Step-by-step explanation:

Let's say that x = 5.  That would mean Amelia put 15(5) - 4 gallons of gas in her car, which equals 71 gallons.  She used 7(5) - 3 gallons driving to work, which is 32 gallons used.  71 - 32 = 39 gallons left.  

What else equals 39, you might ask?

8(5) - 1

40 - 1

39.

Marina86 [1]3 years ago
6 0

Answer:

D is the answer

Step-by-step explanation:

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Answer:

In 3 years, the interest of a sum of rs 3600 at the rate of 5.5% per year be Rs 594.

Step-by-step explanation:

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P = Rs 3600

I = Rs 594

so

T = (I×100)/(P×R)

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2 years ago
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Write an equation in slope- intercept form y=mx=b of the line through point p(6,7) with slope -2
Brrunno [24]

Answer:

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Step-by-step explanation:

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John Street Barber Shop pays $25 per month for water for the first 8,000 gallons and $3.50 per thousand gallons above 8,000. Cal
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For this case, the first thing to do is find the equation of the line in order to model the problem mathematically.
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