Algebra
posted by Sharday .
pam scored 78 on a test that had 4 fillin questions worth 7 points each and 24 muliple choice questions worth 3 points each. She had one fillin question wrong. How many multiplechoice questions did pam get right?

let x = number of multiple questions she got right.
then we set up the equation and solve for x:
(41)*7 + 3x = 78
21 + 3x = 78
3x = 57
x = 19
hope this helps~ :)
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