Answer:
Step-by-step explanation:
500(x - 3) =5000
x - 3 = 5000/500
x - 3 = 10
x = 10 + 3
x = 13
b
8 hours
Answer: 18 meters
16pi cm2
Area of a circle = pi * radius * radius = pi * 4 cm * 4 cm = 16pi cm2