The balance on a credit card, that charges a 12% APR interest rate, over a 1 month period is given in the following table: Days 1-3: $200 (initial balance)
Days 4-20: $300 ($100 purchase)
Days 21-30: $150 ($150 payment)
What is the finance charge, on the average daily balance, for this card over this 1 month period?
Finance charge =$?
round to the nearest hundredth

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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the ratio of grapes to blueberries she should use is 12: 3

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if mandie is making 15 cups of fruit salad, the ratio of grapes to blueberries she should use is 12: 3.

y/x of point b= y/x of point a

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(i got the same question, this was the correct answer.)

you'll have to attache the image of the bar graph in order for us to answer : )

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