contestada

A student got 20 problems correct on a quiz. On a second attempt, the student got 30 problems correct. What was the percent of increase?

Respuesta :

ferretgirl02
30-20=10 so he got 10 more right the second time then the first.
10/20=.5×100=50%
So there was a 50% increase

50% increase. hope is helped

Otras preguntas