Write the pair of fractions as a pair of fractions with a co. mon denominator 2/3 and 5/6

2/3 ⇒ 8/12         
5/6 ⇒ 10/12

Hope that is what you were looking for :)
        

Answer for 2: his profit would be $2.88 explanation: you have to first multiply 72 and 0.12 together to get $8.64 once you do that you know how much money the shopkeeper made from selling the candy bars individually. so you have to do 8.64-5.76=2.88 hope that ; )answer for 3: yeah i’m sorry i have no idea what number 3 is. i’m sorry i couldn’t with that.