Problema Solution
Ning mixes snack mix with mixed nuts to make trail mix for her hike. The snack mix is 10% peanuts. The mixed nuts are 35% peanuts. How many ounces of each should she combine to make 8 ounces of trail mix that is 20% peanuts?
Answer provided by our tutors
Let = ounces of 10% mix needed
Let = ounces of 35% mix needed
(1)
(2)
Multiply both sides of (1) by
and subtract from (2)
(2)
(1)
and, since