A diet is to include at least 140 mg of vitamin A and at least 145 mg of vitamin B. these requirements can be obtained from two types of food type X contains 10 mg of vitamin A and 20 mg of vitamin B per pound. type Y contains 30 mg of vitamin A and 15 mg of vitamin B per poun...
The cruiser bicycle company makes two styles of bicycles the traveler which sells for $200 and the Tourister was sells for $600 each bicycle has the same frame and tires but the assembly and painting time required for the traveler is only one hour while it is three hours for t...
How is it that ships made largely of steel can float when the density of steel is much higher than the density of water? Why is it possible to make oil tankers much larger than other ships (and what happens when an oil tanker is unloaded?)
Okay this is the problem: 4x+2y=32 x+2y=20 I got this: 5x+4y=52. Is that my answer???
Thank you Steve!
-2x-3y=-34 -3x+3y=24 May someone please help me?
Is American invasion in Iraq justified?
Thanks you Kuai! (:
Please help me I am tired and I have sooo much homework! ):