SOLUTION: 6. The distance a bicycle travels in one revolution of its tires is equal to the circumference of the tires. Josef's bicycle tires have 26-inch diameters. Lin's bicycle tires have

Question 252869: 6. The distance a bicycle travels in one revolution of its tires is equal to the circumference of the tires. Josef's bicycle tires have 26-inch diameters. Lin's bicycle tires have 24-inch diameters.
Which expression estimates the difference between the distances Josef's and Lin's bicycle tires travel in one revolution if you use 3 in place of TT?
1. 26 - 24
2. 3 x 26 - 24
3. 3(13 - 12)
4. 3(26 - 24)
5. 169 - 144
Found 2 solutions by rfer, richwmiller:
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
number 4
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
What is this 3 in place of TT?
Is that supposed to be 3 in place of pi?
C=2*pi*r=dr
c=26pi
c=24pi
26pi-24pi
pi(26-24)
3(26-24)
#4

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