Their sum is three times the middle number.
No factor of 9 has three digits. 450 is a three-digit multiple of 150 (and of 9) with a digit sum of 9.
450 or 900
Five
Is this exactly how the problem was written?
The sum of three times a number and its square is 10 more than 6 times a number?
Their sum is three times the middle number.
Statement:The sum of three times of a number and five.Assumption:Let us take the number be x.So, Three times the number = 3x.Equation: 3x+5
"The sum of a number and three times another number is 18. find the numbers if their product is a maximum?"
No factor of 9 has three digits. 450 is a three-digit multiple of 150 (and of 9) with a digit sum of 9.
3x+5x
-3
450 or 900
Five
Is this exactly how the problem was written?
27
3(x + 12)