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MATH / The average of Amy's, Ben's, and Chris's ages is 6. Four years ago, Chris was…

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problem

The average of Amy's, Ben's, and Chris's ages is 6. Four years ago, Chris was the same age as Amy is now. In four years, Ben's age will be 35\frac{3}{5} of Amy's age at that time. How many years old is Chris now?
Plain-text mathematical notation (without MathML)
The average of Amy's, Ben's, and Chris's ages is 6. Four years ago,  Chris was the same age as Amy is now. In four years, Ben's age will be (3)/(5) of Amy's age at that time. How many years old is Chris now?
Original LaTeX notation
The average of Amy's, Ben's, and Chris's ages is 6. Four years ago,  Chris was the same age as Amy is now. In four years, Ben's age will be $\frac{3}{5}$ of Amy's age at that time. How many years old is Chris now?

level

Level 4

type

Algebra

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