Mr. Sullivan got two thank you’s from students when he was available in the morning. Mr. Kelly got ten thank you’s every time he helps students at lunch. The hope is to get 100 thank you’s from students combined. Part A: what’s an equation for this situation? Define your variables.

Part B: how many lunches will Mr. Kelly have to work if Mr. Sullivan works 5 mornings?

Part C: how many mornings will Mr. Sullivan have to work if Mr. Kelly works with kids for 5 lunches?