Question

Three numbers are in the ratio 2:3:5. The first number, second number reduced by 5 and the third number form an arithmetic sequence. Then the three numbers are
Steve
the three numbers are 2x,3x,5x
since there is a common difference,

(3x-5)-2x = 5x-(3x-5)

solve for x, and you can then answer the question.
Raj
How can we solve x here