Question
The car that I own can go 150 miles per 10 gallons, determine the distance car can go with 30 gallons?
- 300 miles
- 500 miles
- 450 miles
- 600 miles
Hint:
The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.
The correct answer is: 450 miles
Here, it is given that a car can go 150 miles in 10 gallons. We have to find the distance it can cover in 30 gallons.
We have,
Distance covered in 10 gallons = 150 miles.
Distance covered in 1 gallon = 150⁄10 = 15 miles.
So, distance covered in 30 gallons = 15×30 = 450 miles.
Hence, the correct option is C.
We can also find the distance covered in 30 gallons by just multiplying the distance covered in 10 gallons by 3.
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