The cost per pound of milk powder and coffee were the same in June. In July, the price of coffee shot up by 200% and that of milk powder dropped by 60%. If in July, a mixture containing equal quantities of milk powder and coffee costs $5.10 for 3lbs, how much did a pound of milk powder cost in July?	Pick one:
A) $4 B) $0.4 C) $1 D) $3 E) $1.65
Lets assume price of Coffee in June =100x   Price of Tea in June =100x   Price of Coffee in July = 300x (because of 200% increase in price)   Price of Tea in July = 40x (because of 60% Decrease in price)   Price of 1.5 pound of Coffee1.5 pound of Tea in July will be = 450x + 60x = 510x   As per question   510x450  + 60= 
<gadget id="calculator">450  + 60</gadget>
<output>510</output>
510x   As per question   510x= 5.10$   x = 0.01S   So the Price of Tea in July = 40x = 40 x 0.01 = 0.4$/pound   Answer $0.4
<result>B</result>
The cost per pound of milk powder and coffee were the same in June. In July, the price of coffee shot up by 200% and that of milk powder dropped by 60%. If in July, a mixture containing equal quantities of milk powder and coffee costs $5.10 for 3lbs, how much did a pound of milk powder cost in July?