106k views
3 votes
HELP Eric's mother drives to work in 20 min when driving at her usual speed. When traffic is bad, she drives 10 miles per hour slower, and the trip takes 10 minutes longer. What is Eric's mother's usual speed?

2 Answers

7 votes

Answer:

30

Explanation:

I could be wrong

User DCTID
by
3.8k points
11 votes

Answer:

30

Explanation:

User IBAction
by
4.0k points