Question

A baker melts 80 grams of chocolate that contains 40% cocoa and mixes it with 60

grams
of his secret mixture. The result is a chocolate with 55% cocoa. What is the
percent of cocoa in the baker's secret mixture?

Answer 1

Answer is 15% as the chocolate is 40% cocoa before mixture

Answer 2

15%

Explanation:

55%-40% = 15% cocoa.