Question 1209894
.
<pre>


(1)  4 is 2/5 of what number ?


     If 4 is 2/5 of some number, then 1/5 of that number is half of 4, i.e. 4/2 = 2.

     Next, since 2 is 1/5 of the number, then the whole number is 5 times 2, i.e.10.


     <U>ANSWER</U>.  4 is 2/5 of  10.




(2)  4 is 1/3 of what number ?


     If 4 is 1/3 of some number, then that whole number is 3 times 4, i.e. 3*4 = 12.


<U>ANSWER</U>.  4 is 1/3 of 12.
</pre>

Solved, with explanations.