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Allen needs to prepare a compound for the patient to pick up tomorrow. He needs to mix of drug A, with of drug B and of drug C. What is the total amount of the drugs mixed together?

Determine the lowest common denominator
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Answer:

76/15

Step-by-step explanation:

Add the drug combinations together

Drug A + B + C=2/5 + 5/3 + 9/3

The L.C.M of the denominators is 15

=6+25+45/15

=76/15

Or

=5 1/15

Allen needs to prepare 76/15 compound for the patient

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