Question

test prep there are 80 marbles in a bag. if 30% of the marbles are green, how many marbles are not green? enter the correct answer in the box. marbles

Explanation:

Step1: Find percentage of non - green marbles

The percentage of green marbles is 30%, so the percentage of non - green marbles is $100\% - 30\%=70\%$ or 0.7 in decimal form.

Step2: Calculate number of non - green marbles

We know the total number of marbles is 80. To find the number of non - green marbles, we multiply the total number of marbles by the percentage of non - green marbles. So we calculate $80\times0.7 = 56$.

Answer:

56