Question

Determine whether each ratio or rate is proportional. Explain your reasoning and write the proportion.360 miles on 12 gallons; 270 miles on 9 gallons

Answer 1

Given

360 miles on 12 gallons; 270 miles on 9 gallons

Procedure

`\frac{360\text{ miles}}{12\text{ gallons}}=30\text{ miles/gallon}`
`\frac{270\text{ miles}}{9\text{ gallons}}=30\text{ miles/gallon}`

In this case the two fractions have the same ratio. Therefore they are proportional.