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Preshie1
Preshie1 Preshie1
  • 23-09-2015
  • Mathematics
Answered

Find the number of times a heart beats in 2 minutes if it beats 576 times in 8 minutes.

Verified Answer :

ivanzud
ivanzud ivanzud
  • 23-09-2015

You write a proportion 576/8=x/2. And solve for x.  x=144.

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