Answer:
So the discount is 33% and we are paying 67% of the value. The reason is given by the relative change:
Step-by-step explanation:
First we have a first discount of 40% so then using this condition and assuming that represent the initial price, the price after the first discount
is given by:
That means 60% of the original value.
Now we have another discount of 45% for the 60% reamining after a 2 discount so let's represent the price after the second disccount we can can express this price in terms of
or
liek this:
So the discount is 33% and we are paying 67% of the value. The reason is given by the relative change: