50 Points! calculate the percent that the price changes from purchasing the Nintendo switch items individually to purchasing the Nintendo switch package.

Nintendo switch items: 570.39
Nintendo switch package: 299.99

299.99 - 570.39 / 570.39 ≈ ?

write the result of your calculation, stating whether the percent of change is an increase or a decrease.

The picture shown is the example of what to do.

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the solution is the point

step-by-step explanation:

we have

> equation a

> equation b

adds equation a and equation b

substitute the value of x in equation b to find the value of y

the solution is the point

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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answers

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step-by-step explanation: