Hello!
[(4πr³)/3]/2
r = 7,5yd
[4 *3,14*7,5³/3]/2
=> 883, 125yds ³
Answer:
Answer is after 20 miles
Step-by-step explanation:
10 +2.5x = 3x
10 = 3x-2.5x
10=0.5x
10/.5=x
x=20
At 20 miles they both have a cost of 60
