GRE Problem Solving Question 429
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Source: Magoosh
In Dewey Elementary School, there are two second-grade classes: class A has 35 students and class B has 45 students. If 40% of the students in class A walk to school, and 80% of the students in class B walk to school, what percent of all the students in the second-grade at Dewey Elementary walk to school?
- A 0.4
 - B 0.425
 - C 0.6
 - D 0.625
 - E 0.75
 
