CBSE Class 7 Answered
a pharmacist found that he received 7/5 times as many prescriptions for pain killers as he did for tranquilizers. If on a certain day he received 72 prescriptions, then find the prescriptions for types.
Asked by anshu24c | 09 Jul, 2022, 05:34: PM
Expert Answer
let,
x = number of tranquilizers
then,
number of painkillers = 7x/5
thus
x +7x/5 = 72
12x = 360
x = 30
tranquilizers = 30
pain killers = 42
Answered by Arun | 12 Jul, 2022, 10:36: AM
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