To get to school in the morning, Alfonso walks 0.3 miles to a bus stop, takes the bus 0.8 miles to the subway station, and then takes the subway 10 miles to school. It takes Alfonso
w
w
minutes to walk a mile, it takes the bus
b
b
minutes to drive a mile, and it takes the subway
s
s
minutes to ride a mile.

Write an expression that describes how many minutes it takes Alfonso to get to school.

answer:

What the heck is that?

Step-by-step explanation:

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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