Question

Sunny Horizon Cellular’s phone plan has a monthly fee of $10.00 and charges $0.10 for every minute used. Stephan’s bill for the month was $23.80. If the equation that models this situation is (0.10)m + 10.00 = 23.80, use inverse operations and properties of equality to find the number of minutes Stephan talked during the month.

Stephan talked for
minutes.

Answer 1

Answer: Sunny Horizon Cellular’s phone plan has a monthly fee of $10.00 and charges $0.10 for every minute used. Stephan’s bill for the month was $23.80. If the equation that models this situation is (0.10)m + 10.00 = 23.80, use inverse operations and properties of equality to find the number of minutes Stephan talked during the month.

Stephan talked for ✔ 138 minutes.

Answer 2

Stephen Talked for 138 minutes.

Explanation:

(0.10)m + 10.00 = 23.80 Given

-10.00 -10.00

(0.10)m = 13.80 Subtraction Property of Equality

/0.10 /0.10

m = 138 Division Property of Equality