Eric, Nick and Archi make contributions to the Society Of Nature Protection in the ratio of 5:3:2.5. If altogether they contribute 2688 Nis, how much more money does Nick contribute than Archi?
Pick one
A) 128 Nis	B) 212 Nis	C) 234 Nis	D) 245 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= 2688   so x = 256   Nick Contribution is 0.5 more than Archi so 0.5 x =0.5 * 256= 
<gadget id="calculator">0.5 * 256</gadget>
<output>128</output>
128   So A. 128 Nis is the correct answer
<result>A</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 2688 Nis, how much more money does Nick contribute than Archi?