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Forty-five children attend a preschool. The number of two-year-olds is one
half the number of three-year-olds. The number of four-year-olds is the
same as the number of 3-year-olds.
a. How many two-year-olds attend the preschool?
b. How many three-year-olds attend the preschool?
c. How many four-year-olds attend the preschool?



Answer :

a=9

b=18

c=18

18+18+9=45 total children

9 2-year olds
18 3-year olds
18 4-year olds

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