Joosee4075
30.11.2021 •
Mathematics
Using the data below, create a word problem using these rational numbers . after writing the problem , solve and work explain what your answers mean in a complete sentence .
1. write your own problem
2. solve
3. explain
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Ответ:
x+y = 100 |*(-20) => -20x -20y = -2000
4.50x+20y=822.00 (+) =>
=> -15.50x = - 1178.00 => x = 1178.00/15.50 = 76 => y = 100 -76 => y = 24.