You scored 31 out of 40 points on a test. what percent did you get?

Step-by-step explanation:

Divide 31 by 40. Since you get .775, you make it a percent and it's 77.5% correct.

the answer would be 150 books

step-by-step explanation:

if you divide 300 by 2 you will get 150

-362

step-by-step explanation:

(12)(4)+2(12)-34(12)+2(12)-3

  \/         \/         \/         \/

  48 +   24 -   408 + 24 - 3

      \   /               \   /

          72     -     432 - 3 = -363