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A pharmacist is to prepare 30 milliliters of a solution with a drug concentration of 2 mg/mL. To do so,
he will mix a solution with a drug concentration of 7 mg/mL with grape-flavored syrup. If ๐‘ฅ represents
the number of milliliters of grape-flavored syrup needed, find the value of ๐‘ฅ.

Answers

Answered by Steve
make sure the amount of drug adds up:

7(30-x) + 0x = 2(30)
Answered by Vin Mwale
Drug needed in 30ml at 2mg/ml =2mg*30 which is 60mg. Therefore number of ml at 7mg/ml =60mg/7mg. So the answer is 8.5ml of grape syrup. Conclussion: The value of โ‚นโ‚น is 8.5
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