Orlando and Tanya are experimenting with different Mix Ratios. Read each mix below carefully. Some give the Part-to-Part Ratio for the Mix, some give the Part-to-Whole Ratio. (Remember the "whole" is the juice or Mix, and the "Parts" are the concentrate and water).

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%