The cost of 3 kg of sugar is $7.50. What will the cost of 8 kg of sugar be?  Choose the correct option
A) 20	B) 40	C) 80	D) 160	E) 180
3 kg costs $7.50   1 kg costs $2.50   8 kg costs $20   The answer is 20.
<result>A</result>
The cost of 3 kg of sugar is $7.50. What will the cost of 8 kg of sugar be?