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mylen [45]
3 years ago
13

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

Mathematics
1 answer:
Crank3 years ago
5 0
First number is f
Second number is s
f-s=.7
f+s=1
Using elimination, you could solve this.
-1(f-s=.7); eliminate the first number.
-f+s= -.7
f+s=1
2s=.3
s=.15
Now find the second number by plugging it in:
.15+s=1
1-.15=.85
The numbers are .15 and .85.


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