Adrilling machine can drill 12 holes in 6 minutes. if the machine drills holes at a constant speed, it can drill holes in 25 minutes.

Chanelle deposits $7,500 into the bank. she does not withdraw or deposit money for 6 years. she earns 6% interest during that time. what will the balance be when she is finally able to withdraw her money?

If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?

Heather is a cashier. she can ring up 1212 customers in 99 minutes. at this rate, how many minutes does it take her to ring up 44 customers?