Christine and Siri have 21rs between them. Christine has 20rs more than Siri. How much does Christine have.  Select:
A) 16.5
B) 17.5
C) 18.5
D) 19.5
E) 20.5
Let Siri has x Rs, then Christine has 20+x Rs   Given x + (20+x)= 21   =&gt; 2x= 1 or x= 0.5   So Christine and Siri has 20.5 and 0.5 Rs respectively.   ANSW20.5R:20.5
<result>E</result>
Christine and Siri have 21rs between them. Christine has 20rs more than Siri. How much does Christine have.