Problema Solution
Emily mixed together 9 gal of brand
A drink fruit and 8 gal. of brand B which contains 48% fruit juice. Find the percent of fruit juice in brand A if the mixture contained 30% fruit juice.
Answer provided by our tutors
let % of fruit juice in A = x
then 30 = (9x/17) + 48*8/17
== > (30*17 - 48*8)/9 = x
== > x = 14%
==> A contains 14% juice.