Question

HeatherFinding a percentage of a total amount Real world stationsExpoRita's chocolate bar is 36% cocoa. If the weight of the chocolate bar is 79 grams, how many grams of cocoa does it contain? Round your answer to thenearestentgra

Answer 1

We know that 36% of Rita's chocolate bar is cocoa. The weight of the chocolate bar is 79 grams, so 36% of this weight is the amount of cocoa the chocolate bar has. Thus:

`36\text{\% of }79g=(36)/(100)\cdot79=28.44g`

To the nearest tenth, this is 28.4 g.