Carla is going on a boat tour. The boat will travel a total distance of 70 kilometres during the 10-hour tour. If the boat travels at a constant speed during the tour, what distance in kilometres should the boat travel in 3 hours.

21 km I think

Step-by-step explanation:

If you do 70/10 then you get 7 km per hour. Then you do 7*3 and get 21 km in 3 hours

Hope this helps, though this is kinda late :]

irrational, then, just means all the numbers that aren't rational. every integer is a rational number, since each integer n can be written in the form n/1. however, numbers like 1/2, 45454737/2424242, and -3/7 are also rational, since they are fractions whose numerator and denominator are integers.

step-by-step explanation: