3 years ago

Katie earned $1890 in 7 years on an investment at a 6% annual simple interest rate.

2 answers:

n200080 [17]3 years ago

7 0

Her investment was $4500. To get this, you take 1890 and divide it by 7, giving you 270. This is 6% of 4500. To prove this, you would multiply 4500 by .06, giving the answer of 270, which can then be multiplied by 7 (years) to equal $1890.

avanturin [10]3 years ago

7 0

793.80
1890x6%=113.4
113.4x7=793.80

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