Pipe A transfers water at 30 gallons per minute (gpm). Pipe B usually has twice that rate, but is leaking 20% of water passing through it. If the capacity of Pipe C is one half the sum of the capacity of Pipe A and
the current capacity of Pipe B, how much water can it transfer per minute?
Oa) 49 gpm
Ob) 39 gpm
Oc) 29 gpm
Od) 19 gpm

The edge of a cube was found to be 30 cm with a possible error in measurement of 0.4 cm. use differentials to estimate the maximum possible error, relative error, and percentage error in computing the volume of the cube and the surface area of the cube. (round your answers to four decimal places.) (a) the volume of the cube maximum possible error cm3 relative error percentage error % (b) the surface area of the cube maximum possible error cm2 relative error percentage error %