SOLUTION: the algebra marks of five students are x,3x,2x-1,5x+9,4x+7. what is the mean mark
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Question 896460: the algebra marks of five students are x,3x,2x-1,5x+9,4x+7. what is the mean mark
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
e algebra marks of five students are x,3x,2x-1,5x+9,4x+7.
A =
combine like terms
A =
A =
5 divides evenly into both terms
A = 3x+3 is the mean
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