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
Homework Answers
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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