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Can you find a reason why negative numbers were invented? - Answers

You need to have numbers that represent the idea of taking something away. If I pile up some dirt and consider the ground as level zero. Then the height of my hill is a positive number. If I dig a ditch, I must take dirt away. If the earth again is ground zero, the depth of my ditch can be given as a negative number. If my hill is 101 feet high, I use 101, but if it is 101 feet deep, I use -101. Other examples are owing money as a negative and earning as a positive. RAWR



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Can you find a reason why negative numbers were invented? - Answers

https://math.answers.com/math-and-arithmetic/Can_you_find_a_reason_why_negative_numbers_were_invented

You need to have numbers that represent the idea of taking something away. If I pile up some dirt and consider the ground as level zero. Then the height of my hill is a positive number. If I dig a ditch, I must take dirt away. If the earth again is ground zero, the depth of my ditch can be given as a negative number. If my hill is 101 feet high, I use 101, but if it is 101 feet deep, I use -101. Other examples are owing money as a negative and earning as a positive. RAWR



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https://math.answers.com/math-and-arithmetic/Can_you_find_a_reason_why_negative_numbers_were_invented

Can you find a reason why negative numbers were invented? - Answers

You need to have numbers that represent the idea of taking something away. If I pile up some dirt and consider the ground as level zero. Then the height of my hill is a positive number. If I dig a ditch, I must take dirt away. If the earth again is ground zero, the depth of my ditch can be given as a negative number. If my hill is 101 feet high, I use 101, but if it is 101 feet deep, I use -101. Other examples are owing money as a negative and earning as a positive. RAWR

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      You need to have numbers that represent the idea of taking something away. If I pile up some dirt and consider the ground as level zero. Then the height of my hill is a positive number. If I dig a ditch, I must take dirt away. If the earth again is ground zero, the depth of my ditch can be given as a negative number. If my hill is 101 feet high, I use 101, but if it is 101 feet deep, I use -101. Other examples are owing money as a negative and earning as a positive. RAWR

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