400
Gillian is planning a green roof that will cover up to 600 square ft. She will use two types of plants: blue lagoon sedum and raspberry red sedum. Each blue lagoon sedum will cover 1.2 square feet. Each raspberry sedum will cover 2 square feet. Each plant costs $2.50, and Gillian must spend less than $1000. Write the constraints.
What is
B is greater than or equal to 0
R is greater than or equal to 0
1.2b + 2r less than or equal to 600
2.5b + 2.5r less than or equal to 1000