a pharmacist counted and found she has twice as many prescriptions for antibiotics as she did for tranquilizers. She had 84 prescriptions for the two types of drugs. How many prescriptions did she have for tranquilizers?

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Parrain Parrain · Answer 1 · 2022-11-17T13:59:43+01:00

The number of prescriptions that the pharmacist would have for tranquilizers is 28 prescriptions

Assuming that the number of prescriptions for tranquilizers is x, it means the number of prescriptions for antibiotics is:

= 2 x prescriptions for tranquilizers

= 2 x

The number of prescriptions for tranquilizers that the pharmacist has is therefore:

Prescriptions for tranquilizers + Prescriptions for antibiotics = Total prescriptions

x + 2 x = 84

3 x = 84

x = 84 / 3

x = 28

x = 28 prescriptions for tranquilizers

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