The cost of air ticket from Delhi to Mumbai was 4200/- yesterday, but today the cost has decreased to 3800/-. Find the decrease % in the prize.
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Step-by-step explanation:
cost 1= 4200
costs 2 = 3800
discount = cost 1 -cost 2
= 4200 - 3800
=400
discount % =400X100 \4200
= 9.52
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