The owner of a small store buys coats for $55 each answer Parts A and B. Hey. He sells the coats for $66 each. What is the percent of the purchase price is the sale price? The sale price is 120% of the purchase price B. The owner increases the sale price by the same percent that you found in part A when he buys jackets for $45 and sells them. How many jackets must the owner by for the total jacket sales to be at least $260? Explain your answer.

you should at least use a calculater

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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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rauschg

rauschg · hand

know the answer? add it here!

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i have no idea just need points sorry

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