munir35 munir35

20-04-2022
Mathematics

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Two speeds are in the ratio 12:5 . If the first speed is 8km/h . what is the second speed?

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musiclover10045 musiclover10045

20-04-2022

Write two ratios equal to each other :

12/5 = 8/x(second speed)

Cross multiply:

12x = 40

Divide both sides by 12:

X = 3.333 or 3 1/3 km/h

second speed = 3.33 ( as a decimal) or 3 1/3 ( as a fraction) km/h

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