In 2005, about 5 billion gal of renewable fuels, such as ethanol and other biofuels, were used in the united states. the energy law passed in 2007 requires that 35 billion gal of such fuels be used by 2022. what is the percent of increase?

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!