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Mathematics 7 Online
OpenStudy (anonymous):

Directions: Drag each tile to the correct box. Roberto, Christopher, and Levi are amateur cyclist riding in the 165.1 km long Tour of Cortez bicycle race. Each cyclist is individually timed in the event. Two hours into his race, Roberto has completed 73.4 km. Three hours into his race, Christopher has completed 112.6 km. Three and a half hours into his race, Levi has completed 128.2 km. The cyclist must complete the race in under 260 minutes to qualify for the professional cyclist series for the upcoming year. Place the cyclist in order from the least average minutes per km

OpenStudy (anonymous):

@Directrix

OpenStudy (anonymous):

Hi can you help me with this question?

OpenStudy (anonymous):

That is ok.

Directrix (directrix):

I do remember you as rcagle5.

OpenStudy (anonymous):

Cool!

Directrix (directrix):

Two hours into his race, Roberto has completed 73.4 km. Let's try this: Divide 73.4 by 2 to get Roberto's average speed per km

Directrix (directrix):

Three hours into his race, Christopher has completed 112.6 km. So, 112.6/3 here for Christopher.

Directrix (directrix):

Three and a half hours into his race, Levi has completed 128.2 km. 128.2/3.5 here for Levi.

Directrix (directrix):

Then, we must consider this: The cyclist must complete the race in under 260 minutes to qualify

OpenStudy (anonymous):

Ok that is um...Roberto is 36.7 and Cristopher is 37.43 and Levi is 36.628571

OpenStudy (anonymous):

@Directrix ?

Directrix (directrix):

Those are km per hour readings.

OpenStudy (anonymous):

Is it the way to find the answer?

Directrix (directrix):

At the end of one hour, I'm thinking that the order is: Chris, Roberto, and Levi But, they have to run the race in fewer than 260 minutes.

Directrix (directrix):

This is how far they are running: 165.1 km

OpenStudy (anonymous):

So that would be correct right?

Directrix (directrix):

Not yet because the runners have to finish the race.

OpenStudy (anonymous):

Oh......

OpenStudy (anonymous):

I have to step away for a second I will be back. I'll message you.

Directrix (directrix):

165.1/36.63 = how long it will take Levi to finish the race. 165.1/37.53 = how long it will take Chris to finish the race 165.1/36.7 = how long it will take Roberto to finish the race.

OpenStudy (anonymous):

Ok I got it right!

OpenStudy (anonymous):

@Directrix

Directrix (directrix):

You checked the answer?

OpenStudy (anonymous):

I did not. O_o

Directrix (directrix):

What does this mean? >>>Ok I got it right!

Directrix (directrix):

There is no answer to check yet.

OpenStudy (anonymous):

I kinda figured it out

Directrix (directrix):

Tell me this. Do we need to do any more work in this thread? Or, has the mission been accomplished, and we need to move on?

OpenStudy (anonymous):

The Mission has been complete and we need to move on.

Directrix (directrix):

Alrighty, then. Good to see you again after such a long time.

OpenStudy (anonymous):

I know it's been like years!

OpenStudy (anonymous):

Thank you!

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