572,000 rounded to the nearest hundred thousand

Select a graph that have an equation with a < 0

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!

Which is greater, 7 p 5 or 7 c 5? 7p5 7c5