SOLUTION: Quote: "I am thinking of a number. I multiply it by 15 and subtract 280. I get the same answer if I multiply it by 5 and subtract 10. What is my number?"

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: Quote: "I am thinking of a number. I multiply it by 15 and subtract 280. I get the same answer if I multiply it by 5 and subtract 10. What is my number?"      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 181460: Quote:
"I am thinking of a number. I multiply it by 15 and subtract 280.
I get the same answer if I multiply it by 5 and subtract 10.
What is my number?"
Answer by vleith(2983) About Me  (Show Source):
You can put this solution on YOUR website!
Let x be the number
You are told that
15%2Ax+-+280+=+5%2Ax+-+10
15x+-+280+=+5x+-+10
10x+=+270
x+=+27
don't forget to check your answer
Does 15*27 - 280 = 5*27 - 10 ???