Jonathan pays a $65 monthly flat rate for his cell phone. He is charged $0.12 per minute for each minute used in a roaming area. Which of the following expressions represents his monthly bill for x roaming minutes?

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A Rationale: Jonathan's monthly bill for x roaming minutes is represented by the expression 65 + 0.12x, which combines the flat rate and the variable charge for roaming minutes.

The flat rate of $65 remains constant regardless of usage, while the additional charge of $0.12 per minute is variable and depends on the number of roaming minutes used. Expressions such as 65x + 0.12 and 65.12x incorrectly suggest that the flat rate varies with minutes or misconstrue the total charges into a single term, which is not how monthly billing works. The correct expression accurately reflects the fixed monthly fee plus the variable cost based solely on the minutes used.

ATI TEAS 7 Math Practice Questions

Jonathan pays a $65 monthly flat rate for his cell phone. He is charged $0.12 per minute for each minute used in a roaming area. Which of the following expressions represents his monthly bill for x roaming minutes?

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