Question

David wants to buy 16 bolts from a bin at the hardware store. Each bolt cost $0.03. How much will David pay for the bolts

Answer 1

The answer is .48 cents

Answer 2

Very Simply You'd Multiply What David Wants By Retail Price. So You'd Have 

16 x 0.03  = 0.48 therefor, David will spend 48 Cents.