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One of the criteria that makes a tax fair
A "-" sign being multiplied by a "+" sign means:You lose something that was good.An example of that would be someone stealing your car and taking it far, far, away... ANother example pos- you win a car neg- you have to pay tax on the expensive car equals neg-you go bankrupt because the tax was so high
it was around the time of christ.Although the first set of rules for dealing with negative numbers was stated in the 7th century by the Indian mathematician Brahmagupta, it is surprising that in 1758 the British mathematician Francis Maseres was claiming that negative numbers "... darken the very whole doctrines of the equations and make dark of the things which are in their nature excessively obvious and simple" .Maseres and his contemporary, William Friend took the view that negative numbers did not exist. However, other mathematicians around the same time had decided that negative numbers could be used as long as they had been eliminated during the calculations where they appeared.It was not until the 19th century when British mathematicians like De Morgan, Peacock, and others, began to investigate the 'laws of arithmetic' in terms of logical definitions that the problem of negative numbers was finally sorted out.However, there were references to negative numbers far earlier...In 200 BCE the Chinese number rod system (see note1 below) represented positive numbers in Red and Negative numbers in black. An article describing this system can be found here . These were used for commercial and tax calculations where the black cancelled out the red. The amount sold was positive (because of receiving money) and the amount spent in purchasing something was negative (because of paying out); so a money balance was positive, and a deficit negative.Negative intergers were accepted around the time of Christ.
$1.00+tax= $1.07 $2.00+tax=$2.14 $3.00+tax=$3.21 $4.00+tax=$4.28 $5.00+tax=$5.35 $6.00+tax=$6.42 $7.00+tax=$7.49 $8.00+tax=$8.56 $9.00+tax=$9.63 $10.00+tax=$10.70 And so fourth.. Keep adding the 7 cents
The answer depends on the tax rate.The answer depends on the tax rate.The answer depends on the tax rate.The answer depends on the tax rate.