Data:
If:
2 red pencils → 25% or 0.25
So:
"y" pencils → 75% or 0.75
The rule of three: (<span>directly proportional)
</span>
<span>multiply cross
</span>
<span>how many pencils are in his backpack?
</span><span>Add the values of the pencils
</span>
<span>
</span>
If:
2 red pencils → 25% or 0.25
So:
"y" pencils → 75% or 0.75
The rule of three: (<span>directly proportional)
</span>
<span>multiply cross
</span>
<span>how many pencils are in his backpack?
</span><span>Add the values of the pencils
</span>
</span>