Answer:
C = 40
Explanation:
The cost in pounds, C, of hiring a car is given by the formula C = 30 + 0.1m, where m is the number of miles traveled.
Work out the value of C if a car is hired and travels 100 miles:
C = 30 + 0.1m when M = 100
C = 30 + 0.1(100)
C = 30 + 10
C = 40