Word Problems/Experts

Recent Answers

2012-02-06 Combinations for 5th grade:

If there is 1 at the top and 10 at the bottom, there are 2, 3, 4, 5, 6, 7, 8, and 9 at each row in between 1+2+3+4+5+6+7+8+9+10 = 55.    Note that can also be found as 10*11/3 = 110/2 = 55.    Each computer

2012-02-01 translate the problem:

Let the number be x.  When it says, '4 less', that implies there is a -4 in the problem.  When it says, 'twice the sum', that implies the sum is multiplied by 2.  When it says, 'a number and eleven', that

2012-01-31 Math-Simple Interest:

If all 10,000 were put in the account at 6%, the interest would be $600.  If some money were put in the account at 8%, it would earn 2% higher interest.  Since we have $60 extra dollars, that is 2% of

2012-01-29 maths-algebra:

It is known that the sum(1 to n) is n(n+1)/2.    To show this works, try a few numbers:  1+2 = 3, 2(2+1)/2 = 3  1+2+3 = 6, 3(3+1)/2 = 6  1+2+3+4 = 10, 4(4+1)/2 = 10    According to what I used Excel to

2012-01-27 Math:

Hello Juan,    You did not ask me a question!  I gather you want to know how many of each coin you have, yes?    If you have x dimes, then you have x-12 nickels (12 fewer).  Since each dime is worth $0

More Answers in Category Word Problems