Posted by lisa on .
there are 42 question on lindas test. sum of the questions are 2 point and sum were 3 points. she got a perfect score

guess and check 
Reiny,
Let the number of 2 point questions be x
then the number of 3 point questions is 42x
2x + 3(42x) = 100
solve
(Igot x=26)