Solve the following.

The ratio of adults to the youths travelling in a bus is 4 : 7. There are 20 adults. What is the total number of persons travelling in the bus?

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Solution

Ratio of adults to the youths = 4: 7

Number of adults = 20

∴ Number of youths = 35

∴ Total number of persons travelling in the bus = 20 + 35 = 55

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Solve the following. The ratio of adults to the youths travelling in a bus is 4 : 7. There are 20 adults. What is the total number of persons travelling in the bus?

Ratio of adults to the youths = 4: 7 Number of adults = 20 ∴ Number of youths = 35 ∴ Total number of persons travelling in the bus = 20 + 35 = 55

Solve the following.

The ratio of adults to the youths travelling in a bus is 4 : 7. There are 20 adults. What is the total number of persons travelling in the bus?

Ratio of adults to the youths = 4: 7

Number of adults = 20

∴ Number of youths = 35

∴ Total number of persons travelling in the bus = 20 + 35 = 55