Rachel solved 50 problems of her homework correctly and scored 62.5%. how many problems were there in the homework?

There were 80 questions in her home work.

Step-by-step explanation:

Let there were x problems in Rachel's homework.

Rachel solved 50 problems and scored 62.5%

Therefore, total equation that models this situation will be

Solved questions = Total question × percent scored

50 = (62.5%) of x

50 =

x =

x =

x = 80

Therefore, total number of questions in her homework were 80.

3; 9 is 8 to -4

step-by-step explanation: