128k views
3 votes
Mariah worked for 3 hours and earned a total of $28.50. Which equation can be used to find r, the amount of money Mariah earns per hour?

User Fergara
by
7.9k points

2 Answers

13 votes

Answer:

she earns about 9 dollars and 50 cents an hour

Explanation:

User Aswin Rajendiran
by
7.2k points
3 votes

Answer:

r=28.5 divided by 3

Explanation:

User Olivier Michallat
by
6.3k points