Answer:
Step-by-step explanation:
x for black fabric , y for green fabric
6x+4y≤ 60 ( the cost is no more than 60 dollars)
x≥3 , y≥ 4 (at least 3 yards of black fabric, at least 4 yards of green fabric,
x+y≥10 ( at least 10 yards of fabric overall)
27) : graph in the screen shot ,( blue picture is simplified one)
note : point lies in the solution:(4,7) , (5,6)
( where is 28)
