# Sarah has made 21 bracelets to sell at craft fair. If this is 70% of the bracelets she wants to make, how many more bracelets does she need to make?

##### 3 Answers

9 bracelets

#### Explanation:

the number of bracelets Sarah wants to make = x

converting the sentence into an equation:

Sarah wants to make 30 bracelets, and she has made 21 so far. That means, she'll need to make = 30 - 21 = 9 more bracelets.

She will need to make

#### Explanation:

Questions involving percentages can always be answered using direct proportion.

Compare the percentages with the numbers.

The total amount she wishes to make represents

She will need to make

Need to make 9 more

Detailed explanation given

#### Explanation:

The symbol % is a bit like a unit of measurement but one that is worth:

So we have:

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Let the unknown total count of bracelets be

Then we have:

We need to end up with just a

Multiply both sides by

So the total count of beads is

Already made 21