John predicts his football team will score 67 points in the next game. if john's team actually scored 42 points, what was john's percent error? round your answer to the nearest tenth of a percent.

3432532

step-by-step explanation:

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option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,