If the markup formula is 40 percent of cost and the selling price of an item is $49.99, what is the cost ?

40% is 0.40

(1.40)x=49.99
x=49.99/1.4
x=35.71

 cost = $35.71

an advantage of the standard deviation is that it increases as the dispersion of the data increases. e. the interquartile range is preferred when the data are not skewed or no have outliers. an advantage of the standard deviation is that it uses all the observations in its computation.

x=17

step-by-step explanation:

solve 3x-24=x+10

then that makes it 2x=34 because you subtract an x from both sides to get rid of the one on the right, and then you add 24 to both sides to get rid of the 24 on the left

divide by both sides by 2 to get your answer so that you can get your answer