Determine if the perimeter of a square is proportional to it’s side length

Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?

What is another way to express 36 +32

Use circumcenter theorem to solve for the given values