Eric, Nick and Archi make contributions to the Society Of Nature Protection in the ratio of 5:3:2.5. If altogether they contribute 5145 Nis, how much more money does Nick contribute than Archi?	Options.
A) 128 Nis
B) 212 Nis
C) 234 Nis
D) 245 Nis
E) 288 Nis
Normalising the fraction from 5:3:2.5 to 10:6:5 (Eric: Nick:Archi)   Given Nick contributes one unit more than Archi and one unit of  5145/(10+6+5)= 
<gadget id="calculator"> 5145/(10+6+5)</gadget>
<output>245</output>
245   Answer is 245 Nis: 245 Nis
<result>D</result>
Eric, Nick and Archi make contributions to the Society Of Nature Protection in the ratio of 5:3:2.5. If altogether they contribute 5145 Nis, how much more money does Nick contribute than Archi?