3 years ago

Help me this equation show work plzz

Mathematics

1 answer:

vlabodo [156]3 years ago

5 0

X=20,000 is the anwser

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Three classes of school children are selling tickets to the school play. The number of tickets sold by these classes, and the nu

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Answer:

The expression for the average number of tickets sold per school child is:

$M = \frac{tickets*class1 + tickets2*class2 + tickets3*class3}{class1 + class2 + class3}$

Step-by-step explanation:

The average number of tickets sold per school child is the weighted mean calculus between the number of tickets sold by these classes and the number of children in each classes.

This is the multiplication between the number of tickets sold by these classes and the number of children in each classes divided by the total weight(in this exercise, the total weight is the total number of school child).

So, the expression for the average number of tickets sold per school child is:

$M = \frac{tickets*class1 + tickets2*class2 + tickets3*class3}{class1 + class2 + class3}$

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Multiply 22x40 and subtract 145.

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