The Foster family bought 4 crates of eggs last week . Each crate had 18 eggs . Since then , they have eaten 28 of the eggs . How many eggs are left

If each crate has eighteen eggs and there are four crates, there are seventy-two eggs because 18*4=72. So if they had eating 28 eggs, then they have forty-four eggs left, because 72-28=44.

3 is greater then both of those numbers

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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