ISTHISNICKNAMEOKHhmm ISTHISNICKNAMEOKHhmm
  • 03-04-2018
  • Mathematics
contestada

2 numbers have a difference of 0.7 and a sum of 1. What are the numbers

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dsouvenirk dsouvenirk
  • 03-04-2018
The two numbers are 0.85 and 0.15
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mkryukova19 mkryukova19
  • 03-04-2018
x-y=0.7, x=0.7+y
x+y=1, x=1-y
0.7+y=1-y
2y=1-0.7=0.3
y=0.15
x=0.7+0.15=0.85
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