Question

Write a number in each blank to make the statements true.
Each paper clip can be traded for three matches.
Each pencil can be traded for six paper clips.
Therefore, one pencil is worth matches.
Five paper clips are worth matches.
Three pencils and four paper clips together are equal in value to matches.
Two pencils and nine matches together are equal in value to paper clips.

Answer 1

So all you have to do is write an equation/expression for the sentences.

Each Paper clip=
Traded for 3 matches= 3
Each pencil=
Traded for 6 paper clips=6
*One pencil is worth matches. Five paper clips are worth matches*
Three pencils and four paper clips all together are equal in value to matches.
Two pencils and nine paperclips together are equal in value to paperclips.