Answer:
C
Step-by-step explanation:
This question can simply be answered by the process of elimination. All of the other answers have numbers behind the first number of the decimal. when you are rounding to the nearest tenth, you will have no numbers behind the decimal except 1. They will look like this:
11.70
23.30
45.60
So, since we are looking for the nearest tenth, we would choose C because it is the only one that is rounded.
Answer:
Option D is the correct answer.
Step-by-step explanation:
Let x be the one way distance and t be the time out.
Time taken for back = t-1
We have plane's average speed out was 300 mph and average speed on the way back was 350 mph.
That is

Dividing both equations

Time taken for back = t-1 = 7-1 = 6 hours.
Total time taken = 7 + 6 = 13 hours
Option D is the correct answer.
Answer:

Step-by-step explanation:
24 + 4y = 12y
- 4y - 4y
__________

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