7: no because each foot is 12 in. and if you add 12+12+12 it equals 36+4 equals 40 in. but you have to be 42 inches to ride
8: Alicia's mother is taller because when you convert to 1.72 meters into centimeters you get 172 and 175 is bigger than 172
9: he bought 64 ounces
10: Cheddar Cheese is heavier because 1 pound is equal to 16 ounces and cheddar cheese is 30 ounces so that would be 1 pound and 15 ounces and it says that the Parmesan cheese is 1 pound and 10 ounces... Therefore, the Cheddar Cheese is heavier
A mile is a unit of distance equal to 5,280 feet or exactly 1.609344 kilometers. It is commonly used to measure the distance between places in the United States and United Kingdom.
A kilometer, or kilometre, is a unit of length equal to 1,000 meters, or about 0.621 miles. In most of the world, it is the most common unit for measuring distance between places.
65 Miles =
104.60736 Kilometers
Half-life = [elapsed time * log (2)] / [log (begng amt / endg amt)]
half-life = (3 days * 0.30102999566) / log (1 / .58)
<span>half-life = 0.903089987 / log </span>
(<span>
<span>
<span>
1.724137931)
</span></span></span>half-life = <span>0.903089987 / 0.23657200643</span>
half-life =
<span>
<span>
<span>
3.8174 days
Source:
http://www.1728.org/halflife.htm
</span></span></span>