CPM Homework Help : CC3MN Problem 10-93

Matilda and Nancy are $60$ miles apart, bicycling toward each other on the same road. Matilda rides $12$ miles per hour and Nancy rides at $8$ miles per hour. In how many hours will they meet?

Hint:

There are multiple methods you could consider.
Make a table or set up expressions representing Matilda and Nancy when $x$ is in hours, etc.

More Help:

Since together they travel $20$ miles during one hour, how many hours will it take to travel the 60 miles?