Answer: 2 hours
Step-by-step explanation: Divide 175 (distance traveled) by 3.5 (time traveled). The answer is 50 (km per hr). Divide 100 (km) by 50 (km per hr). The answer is 2 hours.
Answer:

Step-by-step explanation:

Answer: The answer is 1.5
Step-by-step explanation: First you want to add 5x + x which equals 6x. Then you want to add -5+-4 which = -9. Then you add 9 to the -9 to get rid of it. But you have to do it on both sides so you add 9+0 which =9. Finally you divide 9 by 6 which equals 1.5
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Step-by-step explanation:
can you retake the picture so i can see it more clearly. please and thank you