Answer:
10 km/h
Step-by-step explanation:
First, convert 150 minutes to hours:
150/60
= 2.5 hours
Then, to find his speed, divide the km by the number of hours:
25/2.5
= 10 km/h
Answer:291.40
Step-by-step explanation:
Answer:
no solution
Step-by-step explanation:
4x-7=4x+2
-4x +7 -4x +7
0 = 9
0 doesn't equal 9, so there is no solution.
Answer:

Step-by-step explanation: