Answer:
I do!
Step-by-step explanation:
Let the numbers be 7x and 4x
According to question
7x-4x =57
3x =57
X=57/3
X=19
So the numbers are
7x=7*19=133
4x=4*19=76
Answer:
Step-by-step explanation:
Those standing is the same thing as people who didn't have seats.
Those standing = the total number of people attending - those seated.
Those standing = 5609 - 3800
Those standing = 1809

You are taking two times a number, which is defined as x. That is equivalent to 2x. Then, you are adding three more to that product.