Question 657198: The number is less than 30
A multiple of 5
and the sum of the digit is 7
what number is it?
Answer by MathLover1(20850)   (Show Source):
You can put this solution on YOUR website! The number is less than 
A multiple of
and the sum of the digit is  ....tells us that number is two digit number
if the sum of the digit is , then digits could be  and , and  ,  and  ,  and 
since the number is a multiple of, the digit on place of  must be or because only numbers which ends with or are divisible by
now, tens could be ,,,,, or
since the number is less than , we can eliminate ,, and
so, the number could be  , , , or 
as you can see, all of them are solutions; all of them are less then and multiple of
|
|
|
