contestada

It takes 30 minutes for 5 old printers to produce a
batch of newspapers.
It takes 14 minutes for 4 new printers to produce
an identical batch of newspapers.
a) Which of the following would produce a batch of
newspapers in less time:
6 old printers or 2 new printers?
b) How much less time would this take?

Respuesta :

sundayevan6

Answer:

1 old printer would take=30*5=150minutes

1 new printer take = 14*4 =56 minutes

a) 6 old printers would take =150/6=25 minutes

2 new printers would take=56/2=28 minutes

:-6 old printers would produce a batch of newspapers in less time

b) 28min-25min=3min

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