Alligation issue

by Mike
(AZ)

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:

(60)(0.01)+(80)(0.025)=(14​0)(X)