Question

Help please
Sydney made the largest s'more when camping with 70g of marshmallows, 50g of graham cracker and 100g of chocolate. To find the percent composition of the chocolate, which equation would she use?

Question 1 options:

100g/120g*100


100g/220g*100


220g/100g*100


120g/100g*100

Answer 1

70g+50g+100g = 220g

using the rule of 3 simple you can write

220g mean 100%
100g mean x cross multiplie and calcule x value

x = 100*100/220 = ? %

Answer 2

@Laylalyssa