The greatest number of packages the art teacher can make using all the paintbrushes and paint is 8
The number of paintbrushes in each package would be 3 and the number of tubes of paints would be 5
In order to determine the greatest number of packages the teacher can make using all the paintbrushes and paint, we have to determine the highest common factor of the number of brushes and the number of tubes of paint
Highest common factor is the highest factor that is common to two or more numbers
Factors of 24 = 1,2,3,4,6,8,12 and 24
Factors of 40 = 1, 2, 4, 5, 8, 10, 20 and 40.
Common factors of 24 and 40 = 1, 2, 4, 8
Highest common factor = 8
The number of paintbrushes in each package = number of brushes / number of package
24/8 = 3 brushes
The number of tubes of paint = number of tubes of paints / number of package
40 / 8 = 5 tubes of paints
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