Kelly wants to buy some new toys for her dog Penny. She has $24 set aside for the new toys, and wants to get a mix of balls and rope toys. The
balls are $2 each, and the rope toys are $10. She also wants to buy exactly 4 toys. Which options is a solution to this system of equations?
a. (1,3)
b. (1,7)
c. (3,1)
d. (2,2)
