Thursday

January 29, 2015

January 29, 2015

Posted by **Jon** on Saturday, February 16, 2008 at 11:40am.

A)no more than 100 mph

C)at least 100 mph

I think it's A b/c 83+85+92+95+100/5 = 91 mph. it cant be C b/c it says "at least" 100 which means it can go faster than 100 so the answer is A.

- Algebra -
**bobpursley**, Saturday, February 16, 2008 at 12:04pm5*91>(84+85+92+95+S)

455>356+S

99>S

So the answer is in the above: Superman cannot be going 99 or faster.

check my thinking.

- Algebra -
**Jon**, Saturday, February 16, 2008 at 12:21pmif the average speed of ALL 5 coasters is no more than 91 mph then that last coaster has to be 100 mph to reach a speed of 91 on average. if superman goes at 99 then the average would be only 90.8

- Algebra -
**Jon**, Saturday, February 16, 2008 at 12:23pmif it's at 100, the average would be 91 exactly

**Answer this Question**

**Related Questions**

Physics - This speed is the maximum possible speed attained by the roller ...

Physics - This speed is the maximum possible speed attained by the roller ...

Physics - This speed is the maximum possible speed attained by the roller ...

Physics - Analyzing Roller Coaster Performance Using Conservation of Mechanical ...

Math - One of the world's fastest roller coasters is located in a theme park in ...

Math - 17.Which roller coaster has the greatest lift height Top Thrill Dragster ...

algebra - Superman the Escape in CAlifornia is the fastest roller coaster in the...

algebra - Do you like roller coasters? If you were asked to design a roller ...

Math - Sophia went to an amusement park. She went on 18 rids in all. 7 of the ...

Physics - we are doing a really dumb websearch in my Physics class on roller ...