SOLUTION: a store reduced the price of a t.v from Dhs 8400 to Dhs 7980. find the percentage of decrease

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Question 724101:
a store reduced the price of a t.v from Dhs 8400 to Dhs 7980. find the percentage of decrease
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
(8400-7980)/8400
420/8400=.05=5% IS THE VALUE OF THE DECREASE.