All of these scenarios involve money earned through simple interest. Match each situation with the appropriate
simple interest formula.
For 2 years,
$400 earned interest at a rate of 10%.
X
I = (400)(0.10) (2)
For 4 years,
$100 was saved at a rate of 2%.
X
1 = (200)(0.04) (10)
For 10 years,
*
1 = (100)(0.02)(4)
$200 was invested at 4%.