Question

410 people were surveyed about their favorite color. The circle graph created from the results shows that the slice for red measures 130 degrees. How many people said their favorite color was red?

Answer 1

148 people

Since we know that the total number of people is 410, we know that the whole circle is equal to 410 people. We know that a full circle is 360 degrees, so our group would be 130 degrees of those 360, or 130/360. Since one complete circle is 410 people, we multiply this by 130/360 to find the number of people that said red is their favorite color is 148.