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Mathematics, 05.05.2020 03:18 diablo871
A computer online service charges one hourly rate for regular use but a higher hourly rate for designated "premium" areas. One customer was charged $38 after spending 2 h in premium areas and 9 regular hours. Another customer spent 3 h in premium areas and 6 regular hours and was charged $34.50. What is the service charge per hour for regular and premium services?
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