A machine make 500 rubber ball in 30 minutes. how many calls it make in 3 1/2 hours.
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Answered by
1
Answer:
3500
Step-by-step explanation:
500 balls in 30 min
31/2 hrs=210 min
x balls in 210 min
210 min=7*30 min
therfore no.of balls=7*500
ie, 3500 balls
Answered by
0
here you go friend :)
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