owes $5700 due in 4 years and $8500 due in 7 years. He and his creditor agreed to settle the debts by 2 equal payments one in 5 years and the other in 10 years. Find the size of each payment if money is worth 6% compounded semi- annually?

Situation: an archaelogist in turkey discovers a spear head that contains 54% of its original amount of c-14. n = noekt no = inital amount of c-14 (at time t = 0) n = amount of c-14 at time t k = 0.0001 t = time, in years find the age of the spear head to the nearest year