They are called potholes
I hope this helps :)
I don't know if you mean the equation simplified, but the first property to any equation or expression is "given." (without the quotation marks, of course.)
You take 800 times 22% so .22 and you get 176 move the decimal over one place and get 17.6$
Winston Churchill, Prime Minister of the United Kingdom (5 April), resigned due to poor health but remained in the House of Commons.