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What is the speed of a car that takes 1 hour and 30 minutes to travel 75 kilometers?

What is asked?

What are given?

What is fundemental operation to be used?

What is the number sentence?

Solution:​


Sagot :

Answer:

This problem is basically a ratio and proportion type. The product of the extremes is equal to the product of the means. The ratio and proportion is written as 75 km : 1.5 h = N km : 1h where N is the number of km traveled in 1 hour. The product of the extremes is 75 km * 1h and the product of the means is N * 1.5 h.

Equating the two products

N * 1.5h = 75 km * 1 h

N = (75 km * 1 h) / 1.5 h

N = (75 / 1.5) km

N = 50 km

In one hour you will ride 50 km.

Explanation:

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