Question

the wheels on Reggie's bike each have a 20-in. diameter. His sister's mountain
bike has wheels that each have a 26-in diameter. To the nearest inch, how
much farther does Reggie's sister's bike travel in one revolution than Reggie's
bike?

Answer 1

so basically you need to find the circumference of both wheels and subtract

Answer 2

circumference = 2*pi*r or pi*d

Answer 3

so, after subtracting the difference between the two circumferences, i got 19 in

Answer 4

yes that is correct

Answer 5

thank you!

Answer 6

no problem