The lest common multiple is 26. If you do multiples of each number
13:13,26
26: 26
Both of their lest common multiples would be 26
You are seriously all it take is cross multiplying
Divide the cookies to each friend. each friend gets 5 cookies
0.75 x 14 = 10.50
15 - 10.50 = 4.50
your answer is : Sharon will receive $4.50 change
Sorry, I'm no help because I have no idea how to do those!
