Which equation can be used to find the answer? Camilla needs $65 for a pair of hiking shoes. She already has $19 saved. How much more does she need to save?
a. n+19 = 65 n = 46 $46
b. n÷2 = 19 n = 38 $38
c. n–19 = 65 n = 84 $84
d. n÷2 = 65 n = 130 $130