What's a repeated subtraction to divide 27 divided by 3

The table shows the cost of several bunches of bananas. what equation can be used to represent the cost c of a bunch that weights p pounds?

Brook states that the distance on the line is 4 units. caleb states that the whole line does not have a distance because it continues on forever. vivian states that the line is 6 units long. which distance did brook measure? which distance did vivian measure?

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?