After dining at your favorite restaurant, your bill arrives for $44.97. as usual, the service was excellent, and the food was delicious! estimate a 20% tip as well as the total cost of your meal.

(if anyone knows this i’m greatly : ) )

38+105= 143, 39+104=143, and you will find then adding the numbers on opposite sides, moving inwards yields the answer 138 every time. because of this, you’re going to multiply 138 times the number of pairs, which is 34. therefore, 34*138= 4692(i’m sorry if it’s the wrong numbers, but it’s the right concept)