Suppose a shoe factory produces both low- grade and high-grade shoes. the factory produces atleast twice as many low-grade as high-grade shoes. the maximum possible production is 500 pairs of shoes. A dealer calls for delivery of atleast 100 high-grade pairs of shoes per day. suppose the operation makes a profit of 2.00 dollars per a pair of shoes on high-grade shoes and 1.00 dollar per pairs of shoes on low-grade shoes. How many pairs of shoes of each type should be produced for maximum profit ? Let X denote the number of high-grade shoes.
Let Y denote the number of low-grade shoes.

Please be fast and Give all steps my teacher needs it after an hour so please give answers in 3o minutes. ​