### Home > PC > Chapter 8 > Lesson 8.2.3 > Problem 8-110

8-110.

Multiply both sides by the denominator:

Multiply each term by 50*r*_{2}.

375000 = 5000*r*_{2}

*r*_{2} = 75 mph

8-110.

Multiply both sides by the denominator:

Multiply each term by 50*r*_{2}.

375000 = 5000*r*_{2}

*r*_{2} = 75 mph