Question 1032645
Call the number of ounces of 10%, x.
The set up looks like this:
(.10)x + (.15)(16) = (.11)(x+16)
.10x + 2.4 = .11x + 1.76
Collecting terms we get
2.4 = .01x + 1.76
.64 = .01x
x = 64 ounces of 10%