A certain mixture of nuts consists of 5 parts almonds to 2 parts walnuts, by weight. What is the number of pounds of almonds in 280 pounds of the mixture ?  Select the correct option:
A) 200 B) 84 C) 40 D) 28 E) 20
200lmonds : Walnuts = 5 : 2   Total mixture has 7 parts   In a 280 pound mixture, 200lmonds are 5/7 (total mixture)   = 5/7 * 280= 
<gadget id="calculator">5/7 * 280</gadget>
<output>200</output>
200 pounds   200nswer (200)
<result>A</result>
A certain mixture of nuts consists of 5 parts almonds to 2 parts walnuts, by weight. What is the number of pounds of almonds in 280 pounds of the mixture ?