Respond to this Question
Similar Questions

maths
I add 12 to a number and then double their sum.the result is one and the half times what I get when I double the original number and add 12.find the number
asked by mma on September 4, 2016 
Math
I add 12 to a number and then double their sum, the result is 1½ of what I get when I double the original number and add 12. Find the number.
asked by Emmanuel Attai on November 16, 2016 
math
sabrina used a calcutator and started adding the whole numbers in order 1+2+3+4+5+..... what is the last number she would add that would get the sum on her calculator over 1000? Try it yourself. You'll be surprised that it won't
asked by ciera on January 23, 2007 
Algebra
Hello all! I had a quick homework question: I have to prove that the output of this always ends up as 1, regardless of the starting number: *Think of a number between 1 and 10. Add 1; double the result; add 3; subtract 4; add 5;
asked by y912f on June 21, 2014 
Math 213 Elementary Math
20. Think of a number. Add 7. Double the result. Subtract 8. Double the result. Add 12. Divide by 4. Subtract 6. Your answer will be the original number. Explain how this trick works.
asked by Shay on August 7, 2009 
elementary
Think of a number. Add 7. Double the result. Subtract 8. Double the result. Add 12. Divide by 4. Subtract 6. Your answer will be the original number. Explain how this trick works.
asked by Mary on October 31, 2009 
3rd grade math
Mrs.Rossi wrote the following clues for a mystery number: •It is a 4 digit number •The tens are double the ones. •The thousands are double the tens. •The sum of the digits is 19. What number is it?
asked by Heidi on April 27, 2010 
math
Find the two numbers that multiply to the product number and add to the sum number of the following: a)Product 563033256; Sum 51895 b)Product 43481220; Sum 28429 c)Product 2545124358; Sum 105619 I tried xy = product and x+y =
asked by Lily on December 3, 2007 
math
Mrs. Rossi wrote the following clues for a mystery number. It is a 4digit number. The tens are double the ones. The thousands are double the tens. The sum of the digits is 19.
asked by rita on February 22, 2011 
arithmetic
How does this work “Think of a #. Add 7. Double the result. Subtract 8. Double the result. Add 12. Divide by 4. Subtract 6. Your answer will be the original number.
asked by sam on January 21, 2010