I need help with this question

Swordfish :  20%

Lizard Lollies :  50%

Puffer Pops : 30%  

Step-by-step explanation:

Given :

Quantity of Swordfish : 4

Quantity of Lizard Lollies : 10

Quantity of Puffer Pops : 6

Now,

Step 1:

Calculate the total quantity

             4+10+6 = 20

Step 2:

Probability of selecting Swordfish is

               =  20 %

Step 3:

Probability of selecting Lizard Lollies is

            =  50%

Step 4:

Probability of selecting Puffer Pops is

             =  30%

So,

Swordfish :  20%

Lizard Lollies :  50%

Puffer Pops : 30%

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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answer: do we write it

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