The answer to this problem would be about 4 hours
Remember when solving inequalities the sign of your inequality reverses when dividing or multiplying negative values. k/-12<15. k>-180 [-180, positive infinity)
The new price would be $19.99
29.99 x .6666 = $19.99
(Old price multiplied by discount percentage = new price)
The answer to this question is 6 in. Hope this helps.
The expression of 23/5 is 2.1