A rectangular field has a length 10 meters more than it is width. If the area of the field is 119, what is the length (in meters) of the rectangular field?
Select the correct option
A) 13 B) 15 C) 17 D) 19 E) 21
area = l * w = (L) * (L-10) = 171   trial and error:    20*10= 
<gadget id="calculator"> 20*10</gadget>
<output>200</output>
200 (too high)   19*9= 
<gadget id="calculator">19*9</gadget>
<output>171</output>
171 (too high)   18*8= 
<gadget id="calculator">18*8</gadget>
<output>144</output>
144 (too high)   17*7= 
<gadget id="calculator">17*7</gadget>
<output>119</output>
119   The length is 17 meters.   The answer is 17.
<result>C</result>
A rectangular field has a length 10 meters more than it is width. If the area of the field is 119, what is the length (in meters) of the rectangular field?