a garden center sells a certain grass seed in 5 - pound bags at $ 13.80 per bag , 10 - pound bags at $ 20.43 per bag , and 25 - pound bags $ 32.25 per bag . if a customer is to buy at least 65 pounds of the grass seed , but no more than 80 pounds , what is the least possible cost of the grass seed that the customer will buy ?
n0 = 5.0
n1 = 13.8
n2 = 10.0
n3 = 20.43
n4 = 25.0
n5 = 32.25
n6 = 65.0
n7 = 80.0
t0 = n5 * 2.0
t1 = n3 * 1.0
t2 = n1 * 1.0
t3 = t0 + t1
answer = t3 + t2
print(answer)