## cutebunny12 one year ago The circle formed by the blades of a fan has a circumference of eighty-one and five-sevenths inches. What is its diameter? Use twenty-two sevenths for pi.

1. anonymous

C = πd $81\frac{ 5 }{ 7 }=\frac{ 22 }{ 7 }d$

2. anonymous

Do you know how to get d by itself?

3. cutebunny12

no

4. anonymous

ok. before doing that it might be easier to turn 81 5/7 into an improper fraction. can you do that?

5. cutebunny12

ok

6. cutebunny12