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Kisachek [45]
3 years ago
6

If the average price of four pairs of shoes is $50, and three of those pairs of shoes are priced at $35, $40 and $55, what is th

e price of the fourth pair of shoes?
Mathematics
1 answer:
konstantin123 [22]3 years ago
7 0

An average can be calculated by the quotient of the sum of all terms and the number of terms. In this instance, there are 4 pairs of shoes with three given values. Let's say x is the price of the fourth pair of shoes.

\frac{35+40+55+x}{4} =50

Clear the fraction by multiplying both sides of the equation by 4.


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