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

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).

Asales representative from a local radio station is trying to convince the owner of a small fitness club to advertise on her station. the representative says that if the owner begins advertising on the station today, the club's total number of members will grow exponentially each month. she uses the given expression to model the number of club members, in hundreds, after advertising for t months.