SOLUTION: of 3 numbers, the second is two less than the first. the third number is 4 less than the first. if all 3 numbers sum to 45, find each number.

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Question 310964: of 3 numbers, the second is two less than the first. the third number is 4 less than the first. if all 3 numbers sum to 45, find each number.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
A-first number
B-second number
C-third number
.
.
.
"the second is two less than the first"
B=A-2
"the third number is 4 less than the first"
C=A-4
"all 3 numbers sum to 45"
A%2BB%2BC=45
A%2B%28A-2%29%2B%28A-4%29=45
3A-6=45
3A=51
highlight%28+A=17+%29
.
.
B=A-2%29
highlight%28+B=15%29
.
.
C=A-4
highlight%28+C=11%29