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2 February, 00:10

Tyler is three-fourths of his brother's age. The sum of their ages is 21. How old is Tyler?

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  1. 2 February, 00:13
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    21=x+3/4x (x=brother's age)

    To solve this you would need to use the equation above.

    Tyler would be 9 years old and his brother would be 12.

    21=12+9

    21=21

    The correct answer is 9.
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