Mathematics, 20.09.2019 05:20 triplej8100

Acollege algebra class of 38 students was made up of people who were 18,19 and 20 years of age. the average of their ages was 18.5 years. how many of each age were in the class if the number of 18 year olds was 8 more than the combined 19 and 20 years old?

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