What is the largest two-digit number that is a multiple of 5 and 10 at the same time?
1 answer:
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<span><u><em>The correct answer is: </em></u>
green and blue.
<u><em>Explanation</em></u><span><u><em>: </em></u>
We want to see which fractions </span></span>
is a multiple of. We know that is a multiple of 
, because *3=.
We can divide fractions to determine if is a multiple of 
:
;
in order to divide fractions, flip the second one and multiply:
)*
=
=1 .
This did not divide evenly, so is not a multiple of 1/2.
Checking to see if is a multiple of 
, 
;
flip the second one and multiply:
*
=
=6.
This divided evenly, so is a multiple of .
green and blue.
<u><em>Explanation</em></u><span><u><em>: </em></u>
We want to see which fractions </span></span>
We can divide fractions to determine if
in order to divide fractions, flip the second one and multiply:
This did not divide evenly, so
Checking to see if
flip the second one and multiply:
This divided evenly, so