The unknown is how many girls and boys are in the class.
0.750,and 0.955 because both have 5s in the hundredths place
The mean increases. When Deleware (2,000: 2) is included the mean must be divided by 9 instead of 8.
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Answer:
GCF(330, 75, 450, 225) = 15
Steps:
Prime factorization of the numbers:
330 = 2 × 3 × 5 × 11
75 = 3 × 5 × 5
450 = 2 × 3 × 3 × 5 × 5
225 = 3 × 3 × 5 × 5
GCF(330, 75, 450, 225)
= 3 × 5
= 15
