3.5% of 560 = 19.6, I'm not sure what you mean with the minimum.

# A customer purchased $560 worth of merchandise and wants it to be delivered. The delivery charge is 3.5% of the purchase amount with a $29 minimum. How much would the delivery charge be?

560.. Plus the 3.5%

is an additional 19.60

plus the 29 dollar minimum would make the total to be

$608.60

is an additional 19.60

plus the 29 dollar minimum would make the total to be

$608.60