Question 984005
a mobile phone at a discount two times in a row is 20% and x%. if the total discount to 36% then x is..
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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