At a price of $0.50, how many more or fewer cups of lemonade do caroline and emily sell when the temperature is 60 60 degrees than when the temperature is 80 degrees?

How to write 3 tenths and 5 tenths as a decimal

Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?

Which one ? is the answer and how to find this answer