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24-04-2017
Mathematics

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Kate earned $1800 in 8 years on an investment at a 5% annual simple interest rate.how much did kate invest?

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24-04-2017

P x 8 x 0.05 = 1800
0.4P = 1800
P = 1800 / 0.4
P = 4500

answer: Kate invested $4,500

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