Mathematics, 14.01.2020 03:31 roderickhinton
At a certain university recreation center, a member can receive a 30-minute massage, a 60-minute massage, or a 90-minute massage, and is charged $0.50 per minute for each massage. a member receiving a massage is charged the same fixed amount for each additional service, such as nutrition advice or a fitness evaluation. at this center, what is the total charge to a member for a 60-minute massage and 3 additional services
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Ageologist had two rocks on a scale that weighed 4.6 kilograms together. rock a was 0.5 of the total weight. how much did rock a weigh?
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