Solve the system of equations by substitution
5x +y = 36
y = 4x

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'

Me find the value of x each figure.