Okay i believe the first one is 4/7 and the second one is 2. also don’t listen to them. sometimes it can be hard and you start to stress. good luck and if this isn’t right i’m so sorry :) keep your head up!!!
Answer:
0.0816
Step-by-step explanation:
The weekly charge for her lessons is 81.25
(multiply the hours with the amount of money they earn per hour)
independent variable=weeks
dependent variable=$32.50 per hour
1/5 of 90 is 18. So subtract 90 - 18 = 72. Then you would divide 72 by 18 to get 4