Answer:
a. C = 7x
b. $1820
Step-by-step explanation:
Let the number of students the bus carries be x.
a. It costs $7 for every student that they bus.
Therefore, the cost of the school hiring the bus is:
C = 7 * x
C = 7x
b. To bus 260 students, then, the cost will be:
C = 7 * 260
C = $1820