Eric, Nick and Archi make contributions to the Society Of Nature Protection in the ratio of 5:3:2.5. If altogether they contribute 5250 Nis, how much more money does Nick contribute than Archi?	Choose the correct option.
A) 128 Nis
B) 212 Nis
C) 234 Nis
D) 250 Nis
E) 288 Nis
E:N:A 5:3:2.5   so total = 5x + 3x + 2.5 x = 10.5 x 5  + 3  + 2.5= 
<gadget id="calculator">5  + 3  + 2.5</gadget>
<output>10.5</output>
10.5 x= 5250   so x = 500   Nick Contribution is 0.5 more than Archi so 0.5 x =0.5 * 500= 
<gadget id="calculator">0.5 * 500</gadget>
<output>250</output>
250   So D. 250 Nis is the correct answer
<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 5250 Nis, how much more money does Nick contribute than Archi?