In a special triathlon, Betty swam 1 mile in 25 minutes, biked 25 miles in 45 minutes, and then ran 5 miles in 40 minutes. What was her “average” speed for the race?

The average speed for the race is 0.281 minutes/mile.

Step-by-step explanation:

Total distance covered = swam distance + bike distance + ran distance

⇒ 1 mile + 25 miles + 5 miles

⇒ 31 miles.

Total time taken = swam time + bike time + ran time

⇒ 25 minutes + 45 minutes + 40 minutes

⇒ 110 minutes

Average speed = total distance / total time

⇒ 31/110

⇒ 0.281 minutes/mile

51

step-by-step explanation:

73-22=51 the   mass number minus the amount of protons gives you the amount of neutrons

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step-by-step explanation: