SOLUTION: on an algebra test, the highest grade was 42 points higher than the lowest grade. the sum of the two grades was 138. find the lowest grade

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Question 773222: on an algebra test, the highest grade was 42 points higher than the lowest grade. the sum of the two grades was 138. find the lowest grade
Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
H-L=42
H+L=138
2H=180
H=90
L=90-42
L=48
:)