SOLUTION: Find a 2 digit number less than 50 using these clues. It can be divided by 4 exactly. When 4 is added to it, it can be divided by 5 exactly?
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Divisibility and Prime Numbers
-> SOLUTION: Find a 2 digit number less than 50 using these clues. It can be divided by 4 exactly. When 4 is added to it, it can be divided by 5 exactly?
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Question 956569: Find a 2 digit number less than 50 using these clues. It can be divided by 4 exactly. When 4 is added to it, it can be divided by 5 exactly? Found 2 solutions by josmiceli, MathTherapy:Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! It's a multiple of , so I can call
it where
If , then
which is too much
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I am told: is a whole number
Call the whole number
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From above, I can say:
------------- gives me a whole number for
The number is 36
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check:
OK
OK
You can put this solution on YOUR website!
Find a 2 digit number less than 50 using these clues. It can be divided by 4 exactly. When 4 is added to it, it can be divided by 5 exactly?
It’s divisible by 4, but when 4 is added to it, it’s divisible by 5 means that the number is a multiple
of 4 that when 4 is added to it, it becomes a multiple of 5. Therefore, the number will be 4 less than
a MULTIPLE of 4 & 5. Multiples of 4 & 5 that are less than 50 are: 20 and 40.
Number that's 4 less than 20:
Number that's 4 less than 40:
