theirs a pack of 50 stickers, they are selling for 2 dollars.
part a - how much is one sticker
part b - how much would you need to resell them for to get a 80% profit

a) 0.04

b) 0.08

Step-by-step explanation:

Part a)

Divide the price of a pack by the number of stickers in a pack to get the price of one sticker.

$2/50 = $0.04/1

One stickers costs $0.04.

Part b)

Calculate 80% more than the price of one sticker.

80% in decimal form is 0.8. 80% more than the price is calculated with the factor 1.8.

($0.04)(1.8) = $0.072

Round 0.072 up because is rounded down, the profit is less than 80%.

0.072  =>  0.08

Each sticker would need to be sold for $0.08.

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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rauschg

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