Monday

April 21, 2014

April 21, 2014

Posted by **Anthony** on Sunday, September 26, 2010 at 9:57am.

- Math -
**Reiny**, Sunday, September 26, 2010 at 10:30am" If you subtract 5 from it, the result is divisible by 5" ----> number could be 5,10,15,20....

" If you subtract 6 from it, the result is divisible by 6 "

---> number could be 6, 12, 18 , ...

" if you subtract 7 from it, the result is divisible by 7"

---> number could be 7,14

so it must be a multiple of 5,6, and 7

5x6x7 = 210

check:

210 - 5 is divisible by 5

210-6 is divisible by 6

210-7 is divisible by 7

yup! It's 210

**Related Questions**

math - What are the divisibility short cuts that help you out? Odd numbers can ...

math - Using the numbers 1 through 9 with no repeats, find a 9 number such that...

Easy Math - The number of positive integers that are less than 500 and that are ...

Math - The question is this: You know that a number is divisible by 6 if it is ...

math - I am thinking of a number. If I add 4 to it, square the result, divide ...

5th grade - I am a 3-digit number divisible by three my tens digit is three ...

Math PLEASE HELP!!! - Which of the following is false? a. A number that is ...

Math/Algebra - if you add one number divisible by n and one number not divisble ...

Math - Which of the following is false? a. A number that is divisible by 3 and ...

math - Find digits A and B in the number below so the folling condition are true...