Abdul buys dress pants from a clothing company for p dollars. he then sells each pair of pants in his men's clothing shop for 40% markup. a. what is the retail price of the pants that abdul purchased for $56.00 b. how much did abdul add to the original price of the pants?

a) new price = 78.40

b) markup = 22.40

Step-by-step explanation:

new price =  original price +original price * markup percent

new price = 56+ 56 *.40

new price = 56+ 22.4

new price = 78.4

the additional cost is the mark up

markup  = original price * markup percent

markup = 56 *.40

markup = 22.40

answer: a video game has three difficulty levels: easy, medium, and expert. the game's scoring works in such a way that a player has to score a fixed number of points to advance to the next level, and then the scoring starts over. the total score needed to clear all three difficulty levels is 7,500. two times the number of points needed to clear the easy level is 500 more than the number of points needed to clear the medium level. twice the number of points needed to clear the medium difficulty level is 1,500 more than the number of points needed to clear the expert level. if x, y, and z represent the easy, medium, and expert levels, respectively, and a is the coefficient matrix of the system of equations modeling this situation, identify the inverse matrix, a-1, and the solution matrix, x, of the system of equations.

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