SOLUTION: please help me. a mobile phone at a discount two times in a row is 20% and x%. if the total discount to 36% then x is.. thanks you..

Question 984005: please help me.
a mobile phone at a discount two times in a row is 20% and x%. if the total discount to 36% then x is..
thanks you..
Found 2 solutions by Timnewman, Alan3354:
Answer by Timnewman(323) (Show Source): You can put this solution on YOUR website!
Since the sum of the discount for 20% and x% is 36%,
Then,add them togather as follows

From the above,
x=16%
HOPE THIS HELPS;
::Timnewman;;
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
a mobile phone at a discount two times in a row is 20% and x%. if the total discount to 36% then x is..
---------------
After the 1st discount, the price is 80% of the original,
After the 2 discounts, the price is 64% of the original.
OP * 0.8 * x = 0.64*OP
x = 0.8
x = 20% discount

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