Posted by **lala** on Thursday, December 9, 2010 at 4:43pm.

To solve the inequality -1/2 k is greater then or equal to -5, Danny multiplied both sides by the

reciprocal of -1/2 . His solution was k is greater then or equal to 10.What mistake did he make?

Danny checked his solution, but his check did not let him know that he had

made an error.What number could he have substituted?

c. Find a number that satisfies the original inequality but not Danny’s solution

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