Posted by monica on .
a student earned a grade of 80% on a math test that had 20 problems. How many problems on this test did the student answer correctly?

math 
Ms. Sue,
0.8 * 20 = ?

math 
Martha,
16

math 
ruby,
20 x .80 = 16 problems correctly answered

math 
Henry,
6000

math 
Quinlan Cross,
16