how old is a tortoise if 300 reduced by 3 times its age is 72

how old is a tortoise if 300 reduced by 3 times its age is 72?
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If x is the tortoise’s age 300-3x=72, so 100-x=24 (dividing through by 3).

So 100-24=x, and x=76 years old.

by Top Rated User (1.2m points)

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