Han wants to build a dog house. He makes a list of the materials needed: At least 60 square feet of plywood for the surfaces

At least 36 feet of wood planks for the frame of the dog house 

Between 1 and 2 quarts of paint

Han's budget is $65. Plywood costs $0.70 per square foot, planks of wood cost $0.10 per foot, and paint costs $8 per quart.
write inequalities to represent the material constraints and cost constraints in this situation.