While working alone at their constant rates computer x can process 240 files in 4 hours, and comp y 240 files in 8 hrs. if all files processed by these comp. are the same size how long would it take the two comp. working at the same time at their respective constant rates , to process a total of 240 files?
a. 2hrs
b. 2hrs 20 min
c. 2hrs 40 min
d. 6hrs
e. 6hrs 20 min

Technician a says that if a valve is open when a piston rises to the very top of a cylinder, the piston may actually strike the valve head and cause serious engine damage. technician b says if the camshaft is located in the engine block, then the engine is called an overhead valve engine, ohv engine, or an in-block camshaft. who is right? a. b only b. both a and b c. a only d. neither a nor b

Dtp allows you to manipulate text boxes in the following ways. more than 1 answer. a.move them b.rotate them c.resize them d.all of the above e.none of the above

How does a vaccine prevent sickness and individual?