HEY PLEASE HELP me

m-7=57

Explanation: the problem say the DIFFERENCE so that indicates that we are going to be using subtraction. We don’t know Matt’s age and the problem tells us to use the variable m to represent his age. So far in our equation we have “m-”. The equation says the difference of Matt’s age and 7. So next we put 7 into the equation; “m-7”. The problem tells us that m-7 is equal to 57. So the final equation would be m-7=57.

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.