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olga2289 [7]
2 years ago
15

If a car can travel 78 miles using 3 gallons of gas, what is the unit rate?

Mathematics
2 answers:
Cloud [144]2 years ago
8 0

Answer:

26

Step-by-step explanation:

The unit rate refers to the distance the car can travel using 1 gallon of gas. One way to solve this is to create an algebraic equation like 78=3x. Then, to find the unit rate isolate x by dividing both sides by 3. This means that the unit rate is 26.

seraphim [82]2 years ago
5 0

Answer:

26

Step-by-step explanation:

Well since a car can travel 78 miles Using 3 gallons

78/3=26

26 miles for each gallon

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One example, take the conversion fact that there are 5 miles for every 8 km.

Now if we want to work out how many kilometres in 6 miles, the conversion above is not going to help straight away.

We first need to find how many kilometres in ONE mile [which is the unit rate]

5 miles = 8 kilometres
1 mile = 8/5 kilometres
1 mile = 1.6 kilometres

Once we know the unit rate, we can then work out the number of kilometres for any number of miles.

For example:
6 miles = 6×1.6 = 9.6 kilometres
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