Answer:
Equation: 557=2x+57
Let x=hamburgers sold
Solution: 250 hamburgers
Step-by-step explanation:
1. Subtract 57 from both sides of the equation
2. Divide both sides of the equation by 2
3. x=250
Step-by-step explanation:
floor = 12*10= 120 sq ft
rug = r² = 9 Пr2
120-9π = 91.74 sq ft
The correct answer is f=(1/3)m