The price of a chair is reduced by 25percent. What ratio of (I) change in price to the old price (ii) old price to the new price
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let old price =x
new price=[(100-25)/100]×x
75x/100=3x/4
change in price=x-3x/4=x/4
1) ratio=x/4/x=1:4 change to old
2)ratiox/3x/4=4:3 old to new
new price=[(100-25)/100]×x
75x/100=3x/4
change in price=x-3x/4=x/4
1) ratio=x/4/x=1:4 change to old
2)ratiox/3x/4=4:3 old to new
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