Please answer Find the unknown time (in years) for an account that earns simple interest.
Explain please

A = $1680
P = $1600
r = 3.5%
t = ???

On the first of each month sasha runs a 5k race she keeps track of her times to track her progress her time in minutes is recorded in the table

What should be done to both sides of the equation in order to solve -5m = -40? a) multiply by -5. b) divide by -5. c) multiply by -40. d) divide by -40.

Can anyone explain to me how to do this? anything will .