Every week, Jeffrey cleans out the wishing well at the park. How much money did he find this week? Use these clues to figure out how many pennies, nickels, and dimes he found. Write your answer on the corresponding basket CLUES He finds at least one penny, one nickel, and one dime. He has a total of 14 coins. The coins add up to 56 cents. He has more nickels than dimes. He has the same number of pennies as nickels. Questions How many Pennies? How many Nickels? How many Dimes?

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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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