Question

at state college last term, 53 of the students in a physics course earned a's, 81 earned b's, 106 got c's, 85 were issued d's, and 64 failed the course. if this grade distribution was graphed on pie chart, how many degrees would be used to indicate the a region?

Answer 1

Explanation:

'a' region is 53 out of (53+81+106+85 + 64 = 389)

53/389 ths of the 360 degree circle would be the a's

53/389 * 360 = 49 degrees