Question

Reena types 600 words in 4 minutes how much time will she take to type 3150 words​

Answer 1

Answer:

she takes 21 minutes to type 3150 words

Step-by-step explanation:

by using unitary method

Answer 2

Answer:

1260 seconds or 21 min

Step-by-step explanation:

time = 4 min = 240 sec.

if 600 words in 240 sec,

  3150 words in ? sec,

from here cross multiply  both ,

? sec = 3150*240/600

sec=1260 sec.

to convert in minutes divide sec by 60,

therefore 1260/60=21 minutes