Find each unit rate. Round to the nearest hundredth if necessary.
4. $7.40 for 5 pounds

The mean temperature for the first 4 days in january was 7°c. the mean temperature for the first 5 days in january was 5°c. what was the temperature on the 5th day?

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.