Problema Solution
The sum of three numbers is 40. One number is five more than a second number. It is also twice the third. Find the numbers.
Answer provided by our tutors
x+y+z=40
x=y+7
x=2z
x+(x-5)+x/2=40
2x+x/2=45
5x/2=45
x=90/5
x=18
y=13
z=9
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