Question

Out of 40 students, 2 earned an A,12 earned a B, 6 earned a C and 20 earned a D or an F. What percent of students earned B?

A jar is filled with buttons of various colors. If the jar has a total of 620 buttons and 20% of the buttons are yellow buttons are in the jar?

Answer 1

B=12 of 40%
12/40
=.3*100
=30

Answer 2

1) 30% 2) 124 yellow buttons

Explanation:

1) 12 B’s out of 40 12/40= .3 x 100 = 30

2) 20%, 20/100, .2

620 x .2 = 124