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Katyanochek1 [597]
3 years ago
15

A bus travels 180 miles on 8 gallons of gas, how much does the bus need to travel 900 miles

Mathematics
1 answer:
lina2011 [118]3 years ago
3 0
It would take 11.25 gallons of gas so it would take a full amount of 12 gallons to go 900 miles on 1 tank
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Please help with this question
astraxan [27]

Answer:

x = -8/2

Step-by-step explanation:

To make the equation easier to work with, our first step will be to make all of our fractions have a common denominator. Both 2 and 4 are factors of 8, so that will be our common denominator.

Old Equation: 1/4x - 1/8 = 7/8 + 1/2x

New Equation (with common denominators): 2/8x - 1/8 = 7/8 + 4/8x

Now, we're going to begin to isolate the x variable. First, we're going to subtract 2/8x from both sides, eliminating the first variable term on one side completely.

2/8x - 1/8 = 7/8 + 4/8x

-2/8x                    -2/8x

__________________

-1/8 = 7/8 + 2/8x

We're one step closer to our x variable being isolated. Next, we're going to move the constants to the left side of the equation. To do this, we must subtract by 7/8 on both sides.

-1/8 = 7/8 + 2/8x

- 7/8  -7/8

______________

-1 = 2/8x

Our last step is to multiply 2/8x by its reciprocal in order to get the x coefficient to be 1. This means multiply both sides by 8/2.

(8/2)  -1 = 2/8x (8/2)

The 2/8 and 8/2 cancel out, and you're left with:

-8/2 = x

I hope this helps!

7 0
3 years ago
What is z 15 = -45+ z
damaskus [11]

Answer:

60 = z

Step-by-step explanation:

15 = - 45 + z

15 + 45 = z

60 = z

8 0
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Please help me.......
Georgia [21]

Answer:

sorry

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Write a unit rate for 53 pages in 2 hours
gulaghasi [49]

Answer: 26.5 pages/hr

Step-by-step explanation:

53 pgs/2 hours = 26.5 pages/hr

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What is the slope of the graph? (Example: 2/3,-4,-2/9)
Vladimir79 [104]
1/2 ; you must look at rise over run. It goes up by one, runs over 2. 1/2 is a half
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3 years ago
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