Write an algebraic equation and use it to solve the problem.Sergio's internet provider charges its customers $8 per month plus 5¢ per minute of on-line usage. Sergio received a bill from the provider covering a 
period and was charged a total of $59.50. How many minutes did he spend on-line during that period? (Round to the nearest whole minute, if necessary.)
A. 367 minutes
B. 247 minutes
C. 870 minutes
D. 87 minutes
Answer: C
You might also like to view...
Tempco Electronics, a division of Tempco Toys, manufactures an electronic football game. An efficiency study showed that the rate at which the games are assembled by the average worker t hours after starting work at 8 a.m. is
?
units/hour.
?
Find the total number of games the average worker can be expected to assemble in the 4-hour morning shift.
?
__________ units
?
How many units can the average worker be expected to assemble in the first hour of the morning shift? Please round the answer to the nearest whole unit.
?
__________ units
?
In the second hour of the morning shift? Please round the answer to the nearest whole unit.
?
__________ units
What will be an ideal response?
Solve the problem.Sue rowed her boat across Lake Bend and back in 3 hours. If her rate returning was 2 mph less than the rate going, and if the distance each way was 7 miles, find her rate going.
A. 5.9 mph B. 1.5 mph C. 3.7 mph D. 5.5 mph
The graph of a logarithmic function is shown. Select the function which matches the graph.
A. y = log(-x) B. y = log x C. y = -log(-x) D. y = -log x
Find the dimension of the matrix.
A. 5 × 3 B. 15 C. 2, -9, -9, 6, 4, 5, 9 D. 3 × 5