Question

Dennis sold his skate board for 15% more than he paid for it if dennis paid d dollars for the skateboard which expression represents how much he sold for it

Answer 1

If the amount that has to be originally paid for the skateboard is only d and Dennis sold it for 15% more, the expression that would best represent the given scenario in this item is
1.15d
which means that the current selling price is 1.15 times the original value.