Question

A horseback rider travels 2 miles in 12 minutes. At this​ speed, how long does it take to travel 3 ​miles? Use the equation d​=rt, where d is​ distance, r is​ rate, and t is time.

Answer 1

30

Explanation:

We know that:
`\left \{ {{v=12} \atop {d=5}} \right.`

Formulate and substitute:
`5=12t`

Cross out the common factor:
`5*6`

Calculate the product or quotient:
`30`

Answer:
`30`