Question

Sophie Ruth is eating a 50-gram chocolate bar which contains 30%, percent cocoa.

Answer 1

Grams of cocoa =30% of 50g=(30/100) * 50 g=(30 * 50 g)/100=15 g

Soltution: 15 g

Answer 2

100% = 50
10% = 5
30% = 5x3 = 15g