If are trying to know what is left after an discount so you say that you gonna give 20% of discount is that way the total and less(buttom) then 20 and after the %(button) and came just after don't need push the equal buttom.
Another example is you want to know what you pay, after take out you 30% of profit is the same way, you put the money amount and less(buttom) and the 30 and %(buttom), and came the result just after doesn't need push the equal buttom.
But you want to know what is 70% and not the rest of the 70%, yuo put the money amount and push the multiply(buttom) and after the 70 and the %(buttom) and you don't need push the equal buttom the result came just after.
You sale from an card machine Avon your profit is yuo got the tax that you bank use, let say 4%, and yuo profit if you are 3 star - 30%, is that way is 30% less 4% so your profit is 26%. You pay 70% for Avon and 4% for yuor bank. This is good to know if yuo give discount if you give a bigger discount you are not making money, imagine you giving a 20 per cent discount your profit will be 6% less all that I say you pay to purchase.
Rute Bezerra de Menezes Gondim
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