There are 15 children at a birthday party.
The mean age of the 15 children is 7 years.
9 of t...
Mathematics, 03.03.2021 15:40, germaine88
There are 15 children at a birthday party.
The mean age of the 15 children is 7 years.
9 of the 15 chadren are boys.
The mean age of the boys is 5 years.
Work out the mean age of the girls.
Answers: 3
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An equation is shown below: 3(4x − 2) = 1 which of the following correctly shows the first two steps to solve this equation?
Answers: 2
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Which of the following expressions is equal to 2x^2+8
Answers: 2
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