Question 437146
We're saying 
x*y=60 
So
y = 60/x
Also
we're limiting x & y to integers
A graph will give an impression of the function we're dealing with.
{{{graph(500,500,-40,40,-40,40,60/x)}}}
.
<table border=1 cellpadding=4>
<tr><td>length</td><td>width</td><td>area</td></tr>
<tr><td>1</td><td>60</td><td>60</td></tr>
<tr><td>2</td><td>30</td><td>60</td></tr>
<tr><td>3</td><td>20</td><td>60</td></tr>
<tr><td>4</td><td>15</td><td>60</td></tr>
<tr><td>5</td><td>12</td><td>60</td></tr>
<tr><td>6</td><td>10</td><td>60</td></tr>
<tr><td>10</td><td>6</td><td>60</td></tr>
<tr><td>12</td><td>5</td><td>60</td></tr>
<tr><td>15</td><td>4</td><td>60</td></tr>
<tr><td>20</td><td>3</td><td>60</td></tr>
<tr><td>30</td><td>2</td><td>60</td></tr>
<tr><td>60</td><td>1</td><td>60</td></tr>
</table>