Average rate= 2dr_1 r_2/r_1d+r_2d= 2dr_1r_2/d(r_1+r_2)=2r_1r_2/r_1+r_2 Using the equation for average rate above, determine the cheetah’s average rate for the entire trip.

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%