Landon invests $3300 in two different accounts. The first account paid 6 %, the second account paid 7 % in interest. At the end of the first year he had earned $217 in interest. How much was in each account?

A local bus finishes its 77-km route in the same amount of time that an express bus finishes its 105-km route. The local bus averages 12 kph slower than the express. How long does it take each bus to finish its route?

A person invested $7,400 in an account growing at a rate allowing the money to double every 6 years. How much money would be in the account after 4 years, to the nearest dollar?