There are 221 students on a field trip 5 students ride in a van the rest of the students fill 6 buses enter an equation that can be solved to find the number of students

The required equation is,

5 + 6x = 221

Where, x represents the number of student in each bus.

Step-by-step explanation:

Let x be the number of student in each bus,

Since, there are 6 bus,

Thus, the number of students in all buses = 6x,

Also, 5 students ride in van,

So, the total students in trip = 5 + 6x,

According to the question,

Total students in the trip = 221,

⇒ 5 + 6x = 221,

Which is the required equation to find the number of students in bus.

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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step-by-step explanation: