It's costs $2.80 to make a sandwich at the local deli shop to make a profit the deli sells it at a price that is 170% of the cost the sandwich sells for

The sandwich is sold for $4.76

Explanation-

Divide the total cost of the sandwich by 100 to find what 1% would equal (0.028) then multiple that by the percent the deli sells the sandwich (170%) which gets you $4.76