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Q: What is 3 hours plus 90 minutes?

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Three hours is 180 minutes. 90 minutes is a half of this.

((1 hour 32 minutes) + (2 hours)) + (3 hours 56 minutes) = 7 hours 28 minutes

90 minutes is 3/2 hours.

90 minutes as an improper fraction is 90/60 or 3/2 hours in its simplest form

5 hours and 55 minutes.

6 hours and 31 minutes

(2 hours 45 minutes) + (3 hours 58 minutes) = 6 hours 43 minutes.

2:45 + 3:57 = 6 hours 42 minutes

1/2

90 min/8 hours = 90 min/480 min = 3/16

3 hours and 6 minutes

2 hours and 51 min.

3 hours and 45 minutes Put into minutes would be 3 * 60 = 180 minutes 180 + 45 = 225 minutes altogether

2 hours and 75 minutes= 3 hours and 15 minutes.

5 hour 30 minutes

8 hours and 20 mins

(3 hours 29 minutes) + (2 hours 25 minutes) = 5.9 hours or 5 hours 54 minutes.

300 miles at 90 mph is 3 hours 20 minutes.

90 Minutes, since 1 half hour is 30 minutes then 3 half hours is just a matter of multiplying 3 times 30.

it would be 10 hours 15 minutes! 3 hours plus 6 hours is 9 hours 25 minutes plus 50 minutes is 75 minutes, there are 60 minutes in an hour so you have to take 75 minus 60 which leaves you with 15, add the hour onto the 9 hours, gives you 10 hours 15 minutes.

3 hours, 26 minutes, 0 seconds.

385

90 minutes take up 3/4 of 2 hours, the reasons being:There are 120 minutes in two hours, take 1/4 off 2 hours (30 mins), your answer is 90 minutes

Two minutes less than an hour. 10 hours, 23 minutes

They add up to 3 hours because there are 60 minutes in 1 hour