A student earned a grade of 70% on a math test that had 20 problems. How many problems on this test did the student answer correctly?

9514 1404 393

  14

Step-by-step explanation:

Assuming the grade is proportional to the number of problems answered, we have ...

  a/20 = 70/100

  a = 20(0.70) = 14 . . . . multiply by 20

The student answered 14 problems correctly.

pay attention in your classes and concentrate the best thing you can do to raise your test scores is to pay attention when you're supposed to be learning the material: in class!

take good notes.

do your homework.

use mnemonics and other tricks.

do practice tests.

note: the best i know.

10/60

step-by-step explanation:

if you divide 10 by 60 the answer is 0.166666 while if you divide or solve the other problems it equals 0.6