Answers

2014-12-29T22:11:57+05:30

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.

soln. let the lowest grade be = l

then acc

 (l+42)+l =138

 2l +42 =138

2l =96

l = 48.

lowest grade =48

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