4. For how many hours will Yolanda rent the rooms? What operation
will be used in the expression that relates this amount to the
rental fee for each room?
5. What will the expressions you write represent?

Where is your question?

There is no question, there is just the answer.

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)

The scale factor of what ?