chapter  8
4 Pages

Ratio and Proportion

As an example of calculating proportion, assume that 5 gallons of fuel costs $5.40. How much does 15 gallons cost?

Example 8.1

Problem

If a pump will fill a tank in 20 hours (h) at 4 gallons per minute (gpm), how long will it take a 10-gpm pump to fill the same tank?