Answer:
a., b. and c
Explanation:
A. they would pay him 120 for gas and 120 + 560 is less than 800.
B. they would pay him 217.50 for gas and 217.50 + 560 is less than 800.
C. they would pay him 218 for gas and 560 + 218 is less than 800.
D. they would pay him 280 for gas and 280 + 560 is NOT less than 800.