Katie wants to lock her bike in the bike rack near the school and there are 7 spots still open. She arrives at the same time as 3 other students. How many ways can the 4 children rearrange their bikes in the 7 open spots?

28 different ways :)

Step-by-step explanation:

4x7=28

Katie, Friend 1, Friend 2, Friend 3, space, space, space

space, Katie, Friend 1, Friend 2, Friend 3, space, space

space, space, Katie, Friend 1, Friend 2, Friend 3, space

space, space, space, Katie, Friend 1, Friend 2, Friend 3

Katie, space, Friend 1, space, Friend 2, space, Friend 3

Friend 1, space, Friend 2, space, Friend 3, space, Katie

etc.

Hope that helped :)

b

2

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b

b

3

+

7

b

2

+

14

b

+

6

%

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3

b

3

+

7

b

2

+

14

b

+

6

%

step-by-step explanation:

22.83 repeating

step-by-step explanation:

137 ÷ 6 is 22.8333333 therefore we understand that 3 is repeating.

happy to

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