PLEASE HELP ME ASAP 20 POINTS PROMISE. Amy will rent a car for the weekend. She can choose one of two plans. The first plan has no initial fee but costs $0.60

per mile driven. The second plan has an initial fee of $50

and costs an additional $0.40

per mile driven. How many miles would Amy need to drive for the two plans to cost the same?

250 miles

Step-by-step explanation:

50+.4x=.6x

50=.2x

x=250 miles

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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step-by-step explanation: