SOLUTION: The sum of three numbers is 90 . The first number is 6 less than the second . The third number is 2 times the second. What are the numbers?
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Question 639570: The sum of three numbers is 90 . The first number is 6 less than the second . The third number is 2 times the second. What are the numbers?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
let's numbers be (the first), (the second) and (the third)
given:
The sum of three numbers is .
..............1
The first number is less than the second .
.............2
The third number is times the second.
..............3
__________________________________
solve this system:
.........1
.............2
..............3.....plug in 1
_________________________
.........1...solve for
...........plug in 2
______________________________________
.............2..solve for
....now find
...now find
..............3
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