A manufacturing pharmacist has four lots of ointment containing 50%, 25%, 10%, and 5% of medication....

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A manufacturing pharmacist has four lots of ointment containing 50%, 25%, 10%, and 5% of medication....

A manufacturing pharmacist has four lots of ointment containing 50%, 25%, 10%, and 5% of medication. In what proportional parts should the ingredients be incorporated to yield a 20% ointment?

A: 3:5:10:15

B: 1:2:5:10

C: 1:2:4:5

D: 1:2:3:6

PLEASE MAY I HAVE THE ANSWER EXPLAINED STEP BY STEP, I WILL APPRECIATE

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Answer 1

Answer #1

Ok.

Available lots of composition is -50%,25%,10%,5%

Required composition is -20%

Option B is right,we have to take 1 part from 50%,2 part from 25%,5 part from 10% and 10 part from 5%,

total compostion -

5% from all lots (1,2,5,10 part)=20% compostion prepared

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Answer 2

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A manufacturing pharmacist has four lots of ointment containing 50%, 25%, 10%, and 5% of medication....

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A manufacturing pharmacist has four lots of ointment containing 50%, 25%, 10%, and 5% of medication....

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