Question

To travel 84 miles, it takes Sue, riding a moped, 4 hours less time than it takes Doreen to travel 72 miles riding a bicycle. Sue travels 12 miles per hour faster than Doreen. Find the times and rates of both girls.

Answer 1

let's take a peek at Doreen first

so, she's travels 72 miles, how long did it take her would you say?

Answer 2

say, let's give it a variable name