Karen's aunt is buying peaches to make peach cobbler. She needs 6 peaches for each cobbler. Write an expression to describe the total number of peaches used given the number of cobblers made, c. Use the expression to determine how many peaches were used if Karen's aunt makes 12 cobblers.

A.
6
c
; 72 peaches

B.
6
+
c
; 18 peaches

C.
6
c
;
1
2
peach

D.
c
6
; 2 peaches