What is the value of x in the equation 3x-4y=65, when y=4? a. x = 13\frac{1}{4} b. x = 21\frac{2}{3} c. x = 23 d. x = 27

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%