A company charges $7 for a T-shirt and ships any order for $22. A school principal ordered a number of T-shirts for the school store. The total cost of the order was $1,520. Which equation can be used to find the number of shirts ordered
A.
1,520=x+22(7)
B.
1,520=22x+7
C.
1,520=7x+22x
D.
1,520=7x+22