LO: Use multipliers to find the original number

So to undo a 30% increase you need to DIVIDE by 1.3

Note - this is NOT the same as doing a 30% decrease - check and see :)

So to undo a 40% decrease you should divide by 0.6 because 0.6 is the multiplier to carry out a 40% decrease

Try the questions below - answers are at the bottom of the page - mark as you go along and upload a photo of your work before the end of the lesson (you do not have to finish all the questions!)

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