math
posted by Anonymous .
marissa earns $3.75 per hour at a local fast food restaurant. write an expression for the amount she earns and determine how much she is going to earn in 7 hours.
A: 3.75x;$26.25
B: 7x;$26.25
C: 3.75x + 7x;$10.75
D: 7x;$3.75

C.3.75x + 7x; $10.75