The Jets are driving 30 miles per gallon of gas. they are traveling 7 hours at 55 miles per hour. how much gas do they need

1 answer:

8 0

First you need to find the total amount of miles they will be flying. This can be found by multiplying the rate or 55 by the time or 7. This would be 385 miles. Next you would divide by the miles per gallon or 30 to get the total number gallons needed. This would be 12.833333...
or 13 gallons if rounded to the nearest whole number.

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Follow the steps to solve for the variable in this two-step equation:

lesya692 [45]

The solution of the equation is x = 2

Step-by-step explanation:

The original equation is

$5x-10 = 0$

We solve it using the following steps:

1) We apply the addition property of equality: by adding the same factor on both sides of the equation, the equation does not change.

In this case, we add +10 on both sides, and we get:

$5x-10+10=0+10\\5x=10$

2) We apply the division property of equality: by dividing both sides of the equation by the same number (different from zero), the equation does not change.

In this case, we divide both sides of the equation by 5, and we get:

$\frac{5x}{5}=\frac{10}{5}\\x=2$