Michael wants to take a European vacation in 5 years. He estimates the cost to be $15,000. About how much must he save monthly in an account
that pays 5% interest, compounded quarterly, to have enough money for
the vacation?

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?