Nadia buys boxes of crackers that each has the same cost c. She represents the cost of 6 boxes of cheese​ crackers, 5 boxes of poppy seed​ crackers, and 2 boxes of plain crackers using the expression
6c+5c+2c. What equivalent expression can represent the​ cost?
A.6x5x2xc
B.13c
C.(6=5)2c
D.14c