In a long-distance relay contest, Team A completed the race in 8215 hours, and Team B completed the race in 205 minutes. How much longer did it take Team A to complete the race than Team B? Answer the question in hours first, and then in minutes. It took Team A {BLANK} hours longer to complete the race. Your answer must be in the form of a fraction (no decimals).

It took Team A {BLANK} minutes longer to complete the race.

It took Team A 8211 7/12 hours longer to complete the race. Your answer must be in the form of a fraction (no decimals).

It took Team A 492,695 minutes longer to complete the race.

x = -2

y = 848

step-by-step explanation:

plug in the numbers

reduce the friction between its moving parts

step-by-step explanation:

in fact, by reducing the friction between the moving parts of the machine, it is possible to reduce the energy wasted due to this friction; therefore, more input energy is converted into useful work, and this will improve the efficiency of the machine.