Question

the circle graph below gives the distribution of the colors of marbles in a tub. if there are approximately 3,000 marbles in the tub, which of the following is closest to the difference between the number of blue and red marbles? colors of marbles

Explanation:

Step1: Find number of blue marbles

Number of blue marbles = 30% of 3000. So, $0.3\times3000 = 900$.

Step2: Find number of red marbles

Number of red marbles = 35% of 3000. So, $0.35\times3000=1050$.

Step3: Calculate the difference

Difference = Number of red marbles - Number of blue marbles. So, $1050 - 900=150$.

Answer:

150