Answer:
9.5 years
Explanation:
P(t) = P(t)
106.67t+4763.67=308.8t+2844.18
Minus 106.67t on both sides
4763.67=202.13t+2844.18
Minus 2844.18 on both sides
1919.49=202.18t
Solve for t
t=9.4963...
t=9.5 years
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