SOLUTION: 2nd # is 7 times the first #. third number is 100 more than the first #. If the sum of the three numbers is 442, find the numbers. please show me HOW you get the answer as well a

Question 645408: 2nd # is 7 times the first #. third number is 100 more than the first #. If the sum of the three numbers is 442, find the numbers.
please show me HOW you get the answer as well as the answer.
thank you
Found 2 solutions by sachi, MathTherapy:
Answer by sachi(548) (Show Source): You can put this solution on YOUR website!
let the 2nd no is x
than 1st=7x
& 3rd=x+100
so x+7x+x+100=442
or 9x=442-100=342
or x=38
so the nos are 38,266,138
ans
Answer by MathTherapy(10810) (Show Source): You can put this solution on YOUR website!

2nd # is 7 times the first #. third number is 100 more than the first #. If the sum of the three numbers is 442, find the numbers.
please show me HOW you get the answer as well as the answer.
thank you

Let 1st number be F
Then 2nd = 7F, and 3rd = F + 100
Therefore, F + 7F + F + 100 = 442
9F = 442 � 100
9F = 342
F, or 1st number = , or

2nd number = 7(38), or

3rd number = 38 + 100, or

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