What is the constant in the expression?

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?

The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.

What multiplys to be 1 but adds up to be 4