&lt;?php$on$e = 1;$tw$o = 2;$thre$e = 3;$fou$r = 4;echo &quot;$on$e / $tw$o + $thre$e / $fou$r&quot;; ?&gt;
A. 0.75
B. 0.05
C. 1.25
D. Error
Answer:A
&lt;?php$on$e = 1;$tw$o = 2;$thre$e = 3;$fou$r = 4;echo &quot;$on$e / $tw$o + $thre$e / $fou$r&quot;; ?&gt;
A. 0.75 B. 0.05 C. 1.25 D. Error
Explanation: You can not use the $ in between the variable name.