Question

part 1 of 2
two communications companies offer calling plans. with company x, it costs 25¢ to connect and then 5¢ for each minute. with company y, it costs 15¢ to connect and then 4¢ for each minute. write and simplify an expression that represents how much more company x charges, in cents, for n minutes

which of these expressions represents how much more company x charges than company y?
a. (25 + 4n) - (15 + 5n)
b. (25n - 4) - (15n - 5)
c. (25 + 5n) - (15 + 4n)
d. 25n - 5 - 15n - 4

Explanation:

Step1: Define Company X's cost

Cost for X: $25 + 5n$

Step2: Define Company Y's cost

Cost for Y: $15 + 4n$

Step3: Find difference (X - Y)

Difference: $(25 + 5n) - (15 + 4n)$

Step4: Match to options

Compare with given choices.

Answer:

C. $(25 + 5n) - (15 + 4n)$