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Ken is x years old. Liam is (x + 4) years old. Tina is 3x years old. Write an expression, in terms of x, for the mean of their ages.
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Ken is x years old. Liam is (x + 4) years old. Tina is 3x years old. Write an expression, in terms of x, for the mean of their ages.
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Feb 25, 2022
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Ken is x years old.
Liam is (x + 4) years old.
Tina is 3x years old.
Write an expression, in terms of x, for the mean of their ages.
Mathematics
high-school
Mathias Fleury
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Mathias Fleury
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(X +(x + 4) +3x)/3 = (5x +4)/3
Add the ages together and divide by the number of people to get the mean.
Richard Henage
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Mar 2, 2022
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Richard Henage
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