Question

Mary used 1/7 of a spool of ribbon to complete 4 projects. She used the same amount of ribbon on each project. How much ribbon did she use on each project?

Answer 1

1/28

Explanation:

Do The Math.

Answer 2

Answer: 1/28 of a spool of ribbon

Explanation:

Let x be the part of spool of ribbon used by Mary in each project.

It is given that Mary used 1/7 of a spool of ribbon to complete 4 projects.

So, in 4 projects the part of spool of ribbon is used =
`(1)/(7)`

Therefore, in each project the part of spool of ribbon is used =
`(1)/(7)/4`

⇒ In each project the part of spool of ribbon is used =
`(1)/(7)*(1)/(4)`

⇒ In each project the part of spool of ribbon is used =
`(1)/(28)`

Hence, Mary used 1/28 of a spool of ribbon to complete each project.