Question

Alexandra purchases two doughnuts and three cookies at a doughnut shop and is charged $3.30. Brianna purchases five doughnuts and two cookies at the same shop for $4.95. All the doughnuts and cookies have the same price. Find the cost of one doughnut and the cost of one cookie.

Answer 1

Answer:1 donut=$0.75 and 1 cookie=$0.6

let c be the cookie and d be the dougnut

2d +3c = 3.30 ---eq 1
5d+ 2c = 4.95 ---eq 2