At the amusement park, billy rode the ferris wheel seven times. if each ride cost 5 tickets to get on, how many tickets did he use?

35 tickets

Step-by-step explanation:

if each time costs 5 tickets and billy got on 7 times you have to multiply 5 by 7 and you get 35.

35

Step-by-step explanation: To solve this problem you have to multiply 7 x 5 which equals 35.

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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