exam Maths Puzzle Numerical Ability

The range of hourly wages for 15 employees of a small company starts at $7.50 and ends at $21.40. If only one worker receives the median wage of $8.90, how many workers receive a h

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Another finance problem that is stumping me.

Tulley Appliances, Inc., projects next year�s sales to be $20 million. Current sales are at $15 million based on current assets of $ Tutor: Can you check this problem to see if I got it right?????Thank you!!!!
Simplify the problem
(1/2)^3+(1/3)-2-(1/4)-2

Answer
0.125+(1/3)(-2)-(1/4)(-2)
0.125+9-(1/4)(-2)
0.125+9-16
-6.875