Question

Miss Perry bought 165 cm of ribbon for her dolls hair.

Answer 1

Well, since each doll hair is 22cm, and she had a total of 165cm.

Then number of dolls would be = 165/22 = 7.5

The actual number of dolls = 7.  We would drop the .5.

7, Seven.

Answer 2

You would do 165/22 and you will get the answer of 7 dolls and you will have some left over