Rachel and her cousin, lena, live in different cities that are about 100 miles apart. on a map, the two cities measure 5 inches apart. what is the scale factor used for the map?

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!