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9514 1404 393
Answer:
about 7.61%
Step-by-step explanation:
Put the given numbers into the formula and solve for r.
2200 = 1900(1 +r)^2
√(22/19) = 1 +r
r = √(22/19) -1 ≈ 0.076055 ≈ 7.61%