To do this you want to first multiply 28 by 0.15. This will give you $4.20. You have to give a $4.20 tip. The total cost would be the lunch and the tip added together. It would give you a final total of $32.20.
He will finish at 6:50. It will take him 5 hours and 50 minutes. Hope this helps!
Aye Sir!
My key can’t perform this but I can solve it on a sheet...
So here I really hopes this helps
The first one is (v+6)(v-6)