Answer:
1. A
2. C and D
Step-by-step explanation:
1. m is the number of months so multiplying m by the earns will show how much money she earned that amount months.
2. Gabby sold 35 boxes and the total amount of boxes sold by both is 69, so subtracting the total amount by Gabby's will give you Ross's amount sold. C and D are similar equations.