spending $5 every 7 min, in 8 days you'll spend what

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1 Answer

To solve this you need to first convert days to minutes

24 hours in 1 day

8 days times 24 hours

8 x 24= 192 hours

60 minutes in 1 hour

192 hours times 60 minutes

192 x 60 = 11520 minutes in 8 days

now that you have minutes you can set up a ratio

$5 per 7 minutes is x dollars per 11520 minutes

   5             x

------- = ----------

   7         11520

solve this for x

multiply by 10520

5/7*11520=x

x=$8228.57
by Level 1 User (700 points)

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