Step-by-step explanation:

Christy will have to work 50 hours to pay off her debt.
500 divided by 10 = 50.
Hope this helped!
3.2 x 5 = 16
1.5 x 2 = 3
16 + 3 = 19
19 x 6 = 114
Rachel will run 114 miles in 6 weeks.
Answer:
12
Step-by-step explanation:
To find unit rate, you divide 72 by 6.
72/6=12.
So, there are 12 muffins per tray.
-hope it helps