1.

If a factory a turns out x cars an hour and factory b turns out y cars every 2 hours,the no. Of cars that both factories turn out in 8hours is

Answer»

∵ Factory A TURNS out x cars in one hour. Factory B turns out y/2 cars in one hour.
⇒ In one hour both the FACTORIES A and B can turn out (x + y/2) cars
∴ In 8 hours both factories turn out = 8( x + y/2) cars 
= 4(2X + y) cars.


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