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aniked [119]
3 years ago
8

Miranda’s car travel 40 miles on 1 3/8 gallons of gas. Miranda wants to travel 80 miles. How many gallons of gas will her car us

e?
Mathematics
1 answer:
poizon [28]3 years ago
6 0

Answer:

13/4 gallons will take her to travel 80 miles

Step-by-step explanation:

                40miles ---------------- 13/8 gallons

first will need to get how many gallons will it take to travel 1 mile?

               40miles ---------------- 13/8 gallons

                1 miles ----------------  ? (x)

by cross multiplication =  40 * (x) = 1 * 13/8

                                         40x = 13/8

therefore    \frac{40x}{40} = \frac{13}{8} /40

                   \frac{40x}{40} =  \frac{13}{8} * \frac{1}{40}

              x = 13/320

therefore,   1 miles ----------------  13/320

                  80 miles ---------------- ? (x)

by also cross multiplying,  80 * 13/320 = 1 * (x)

                                 therefore, x = 13/4 gallons

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Answer:

15 times 2 - 26 = x

Step-by-step explanation:

Warren drives half the distance Kendall drives to work. Kendall drives 26 more miles to work than Joe. Warren drives 15 miles. Write an equation that models this situation. Use x to represent the number of miles Joe drives to work.

W X 1/2 = K

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so 15 times 2 - 26 = x

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If $8000 is invested in an account for which interest is compounded continuously, find the amount of the investment at the end o
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6 0
3 years ago
. If a car can travel 38 miles on 2.4 gallons of gas, how many miles could the car travel on 6 gallons of gas?
lilavasa [31]

Answer:

About 95 miles

Step-by-step explanation:

Let's set up a proportion using the following set up:

miles / gallons = miles / gallons

We know the car can travel 38 miles on 2.4 gallons of gas.

38 miles / 2.4 gallons = miles/ gallons

We don't know how far the car can travel on 6 gallons. Therefore, we can say the car travels x miles on 6 gallons of gas.

38 miles / 2.4 gallons = x miles /6 gallons

38/2.4=x/6

We want to find x (miles for 6 gallons). Therefore, we must isolate x.

x is being divided by 6. The inverse of division is multiplication. Multiply both sides by 6.

6*(38/2.4)=(x/6)*6

6*(38/2.4)=x

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94.9999998=x

Let's round to the nearest whole number. The 9 in the tenth place tells us to round up.

95 ≈x

x ≈95 miles

The car can travel about 95 miles on 6 gallons of gas.

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3 years ago
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