Alligation issue

by Mike

If 60 grams of 1% Ointment "L" is mixed with 80 grams of 2.5% Ointment "L", what is the % of Ointment "L" in final mixture?
A. 2.14%
B. 1.86%
C. 1.73%
D. 1.25%

Reply (by Keith)

Try this equation to get started:


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