5 frisbees and 3 volleyballs cost $36 the cost of 2 frisbees and 7 volleyballs is $18 which of the following systems could be used to calculate the cost of one frisbee and one volleyball​

5 frisbees and 3 volleyballs cost 36 the cost of 2 frisbees and 7 volleyballs is 18 which of the following systems could be used to calculate the cost of one fr class=