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ethyl and Henry Ross earned $ 211.11 in simple interest in 3 years at an annual interest rate of 3.1%. How much money did they invest to the nearest dollar?

Respuesta :

211.11*3/3.1 
211.11 times 3 divied by 3.1 = 7

Answer:

$2270

Step-by-step explanation:

they want to know what the initial investment was, not how much interest the $211 or whatever would make. so they made 211 or so in interest because they invested 2270