Hi!
500 grams = 0,5 kilograms => 1 kg = 1000 grams = 2 * 500 grams
For 1 kg we need to buy 2 bags of 500 grams.
For 56kg we need to buy x bags of 500 grams.
x = (56*2)/1 = 112
The answer is : You should buy 112 bags of 500 grams, because 112 * 500g = 65000g = 65 kg.
Hope this helps!
3 and 5 are the correct choices. as long as the 2 lines have different slopes they intersect at only one point
The areas of a. circle is

the diameter is 2 times the radius, therefore
π (13/2)^2=132.665
Answer: about 132.7 in^2