While baking a pie Steven needs 3/4 of a cup of flour. He has 2/3 of a cup of flour. How much more flour does he need to borrow for the recipe?

Steven needs 1/12 of a cup of flour in order to bake the pie.

Step-by-step explanation:

you want both fractions to have the same denominator when subtracting. so in order to solve this you would have to multiply 2/3 x 4, and 2/4 x 3. giving you 8/12, and 9/12. Then you would subtract 9 - 8 to get your answer, 1/12.

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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