Conner steps on a scale holding three bricks of equal weight. The scale reads 250 pounds. Write an equation relating conner's weight and the weight of the bricks to total weight shown on the scale. Use ‘C' for Conner's weight and ‘b' for the weight of a single brick.

C = 750b

Step-by-step explanation:

Conner steps on a scale holding three bricks of equal weight. The scale reads 250 pounds.

Now, if C is the Conner's weight and b is the weight of a single brick, then C will be equal to 250 times 3b.

So, the equation relating to Conner's weight and the weight of the bricks to total weight shown on the scale will be

C = 250 × 3b

⇒ C = 750b (Answer)

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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