Math for Kids

Recent Answers

2009-11-20 Basic Math - cube:

The only way I know is with a lot of pencil work. You just whittle it down. 10^3 is 1000 so you know it's more than that. 20^3 is 8000, so you know it's between 10 and 20 and it's a little closer to

2009-11-20 Word Problems - maths problem:

Let me see if I understand the problem. A bicycle dealer allows 10% discount on his bicycles. He still makes a profit of 20% on each bicycle. If the total profit he makes is 150, what is the list

2009-11-20 Word Problems - Math:

Since the numbers go from 000000 (which is 0) to 999999, which is 999,999, that looks like a million numbers to me with the first 100,000 that have leading 0's. The list would start like 000,001 000

2009-11-20 Algebra - variables on both sides:

The parenthises mean to multiply what is on the outside by each element in the indside. Thus, our equation becomes 4y + 4 = 7y - 14. Subtracting -7y from both sides to put the y's on the left gives

2009-11-20 Basic Math - algebra:

Going on the assumption that the problem is accurate as I applied the parentheses 5-(1 1/2)X=-9 5-(3/2)X=-9 multiply everything by 2 10-3x = -18 add 3x and 18 to both sides of = sign 10-3x +3x