How to calculate a discount?

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How to calculate a discount?

I want to calculate get 1 free for every 4 purchased. Can you help?

2007-03-19 01:33:54 · 2 answers · asked by BrownCow 2 in Science & Mathematics ➔ Mathematics

Thanks to those who have answered but I don't think I worded this question very well.
If I buy between 1 and 4 I pay for them but the fifth item is free. If I purchase 7, I pay for 6 and still get only 1 free. etc. So if I buy 5 I only pay for 4; buy 10 pay for 8; etc
Thanks

2007-03-19 11:15:50 · update #1

2 answers

1 out of 5 is 20%

2007-03-19 01:36:42 · answer #1 · answered by John S 6 · 0⤊ 0⤋

1 free out of 5 = 1/5th saved = 20%

Example: Buy 5 items at $20 each = $100
However, you get 1 free and pay only $80 = 20$ saved.

= 20 out of 100 = 20%

2007-03-19 08:45:52 · answer #2 · answered by Norrie 7 · 0⤊ 0⤋