Each week, you drive 150 miles. Your car gets 25 miles to the gallon, and gas prices are $3 per gallon. How much gas money will you spend on gas each week?

Verified Answer :

$18

Further explanation

Given:

  • Every week drive 150 miles.
  • The car gets 25 miles to the gallon.
  • Gas prices are $3 per gallon.

Question:

How much gas money will you spend on gas each week?

This is properly a simple multiplication problem that however has to pay attention to the units carefully.

Let's find out how many gallons we need to drive over 150 miles.

\(\boxed{ \ = 150 \ miles \times \frac{1 \ gallon}{25 \ miles} \ }\)

Units of miles crossed out.

\(\boxed{ \ = 150 \times \frac{1 \ gallon}{25} \ }\)

\(\boxed{ \ = \frac{150}{25} \ gallon \ }\)

Therefore, we need 6 gallons to drive over 150 miles.

And now let's calculate how much gas money will be spent each week.

\(\boxed{ \ = 6 \ gallons \times \frac{\$ 3}{1 \ gallon} \ }\)

Units of gallon crossed out.

\(\boxed{ \ = 6 \times \$ 3 \ }\)

\(\boxed{ \ = $ 18 \ }\)

Hence, we will spend $18 on gas each week.

If it's already straightforward in understanding, then we can arrange multiplication operations at once.

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150 and 25 can be divided by 25.

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Once again, we will spend $18 on gas each week.

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Keywords: each week, you drive 150 miles, car, 25 miles to the gallon, gas prices are $3, per gallon, how much, money will you spend, multiplication, the units

The amount of money spent on gas each week is \(\fbox{\begin\\\ \bf \$18\\\end{minispace}}\)

Further explanation:

As given in the question \(150\) miles of distance is covered by the car each week.

To cover a distance of \(25\) miles, \(1\) gallon of gas is required for the car and the price for the gas is \(\$3\) per gallon.

The objective is to determine the amount of money spent on gas each week.

It is given that to travel \(25\) miles, \(1\) gallon of gas is required so, for \(1\) mile of distance \(\left(\frac{1}{25}\right)^{th}\) gallon of gas is required.

This implies that in \(\left(\frac{1}{25}\right)^{th}\) gallon of gas the car runs for \(1\) mile of distance.

Now if in \(\left(\frac{1}{25}\right)^{th}\) gallon of gas \(1\) mile of distance is covered so, for \(150\) miles of distance the amount of fuel required is calculated as follows:

\(\fbox{\begin\\\ \dfrac{1}{25}\times 150=6\\\end{minispace}}\)

From the above calculation it is concluded that with \(6]\) gallon of gas \(150\) miles of distance is covered.

The price for the gas is $3 per gallon so, the price of 6 gallon of gas is calculated as follows:

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From the above calculation it is concluded that the cost of @@MATH_TOKEN_18@@ gallon of gas is @@MATH_TOKEN_19@@.

Therefore, the amount of money spent on the gas each week is @@MATH_TOKEN_20@@.

Summary:

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Answer details:

Grade: High school

Subject: Mathematics

Chapter: Simplification

Keywords: Simplification, multiplication, miles, distance, price, gas, $3, each week, drives 150 miles, money spent each week, 25 miles per gallon.