3 years ago

Number 7 plz. Grade 7 Math. Pre algebra

1 answer:

3 0

The price up to 20% was
120*40/100=48 $

The cost down by 20% is:
48*80/100=3840/100=38,4 $

38,40=40*x/100
x=38,4*100/40=3840/40=96 %

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