If a family spends 40 percent of its household budget on rent and utilities, 30 percent to food, and 20 percent on other bills, what fraction of their monthly budget is available for savings ?	Options.
A) 4/5	B) 1/10	C) 3/5	D) 1/10	E) 3/10
100%-(40%+30%+20%)=10% of the budget is available --&gt; 10% 100 -(40 +30 +20 )= 
<gadget id="calculator">100 -(40 +30 +20 )</gadget>
<output>10</output>
10% of the budget is available --&gt; 10% = 10/100   --  10= 
<gadget id="calculator">  --  10</gadget>
<output>10</output>
10/100= 1/10.   Answer: 1/10.
<result>D</result>
If a family spends 40 percent of its household budget on rent and utilities, 30 percent to food, and 20 percent on other bills, what fraction of their monthly budget is available for savings ?