If x ml pure alcohol is added to 400 ml of a 15% solution and after adding its strength becomes 32%, then the value of x is
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Lets find the final discount percentage, to do this we need to know the final price of the backpack.
Initial price is 60, let's apply the first 30 % discount:
Now we apply the 20 % discount to 42:
So the final price of the backpack is 33.6, this is 56 % of 60.
The final discount was of 44 % off, not 50 %.
Initial price is 60, let's apply the first 30 % discount:
Now we apply the 20 % discount to 42:
So the final price of the backpack is 33.6, this is 56 % of 60.
The final discount was of 44 % off, not 50 %.