Question 170840
a statue in the city's public garden is 50 years old. in the same garden is a monument which is 40 years old. in how many years will the statue be three-times as old as the monument?
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Let's say that will happen in x years.
The statue will be 50+x years old
The monument will be 40+x years old
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EQUATION:
statue = 3*monument
50+x = 3(40+x)
50+x = 120 + 3x
2x = -70
x = -35 years
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The statue was 3 times as old as the monument was when the
statue was 15 years old and the monument was 5 years old.
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Cheers,
Stan H.