Spanish Language Broadcast records last 90 min on each of two sides If it takes 3 hours to translate one

16 full records last 90 min records so 16*90=1440min
1440/60=72/3hrs
for translate 1hr-----3hr
(72/3)*3=72hrs
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what is mean for "Spanish Language Broadcast records last 90 min on each of two sides". i can't understand this one.can any 1 explain me
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3hr----- 1hr bdc
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Record time is 90 min for 1 side and 2 side it takes 180 min = 3 hours .
1 broadcasting = 3 hours
for 16 record translating 3 hours required for each=16*3=72 hours
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ANS:72 hrs

Records last 90 min on each of 2 sides,
then for 16 rec's==>16*90=1440 min
1440 min=24 hrs

Given, 3 hours to translate 1 hour of broadcast
then 24*3=72
72 is the ans
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90 minutes on each side means 90*2=180mins=3 hrs
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which is correct pls tell
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which is correct ans plz rply
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1 Record takes=90min
to translate one hour of rcording it takes=3 hrs

1R=9/2hr
16R=Xhr
X=16R*9/2hr :-8R*9=72
So, X=72
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the answer is 144.
Records last 90 min on each of 2 sides,
==> record last 90*2 = 180 min = 3 hours

16 full records--> 16*3 = 48 hour broadcast

Given, 3 hours to translate 1 hour of broadcast
Let x be the time required to translate 48-hour broadcast(16 full records)

x = 48*3
=144 hours
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Spanish Language Broadcast records last 90 min on each of two sides. If it takes 3 hours to translate one hour of broadcast, how long will it take to translate 16 full records?