Elliot's jogging rate is 9 km/h. how many kilometers can he travel in a) 2 hours?
b) t hours.
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18km in 2 hours

Step-by-step explanation:

A=18km B=equation is 9t

Step-by-step explanation:

Here's how I found the answer!

A: Here is our current proportion:

9km

1 hr

Here is what we want:

9km       xkm

=

1h            2h

Now, what did I do to 1 to get to 2? I multiplied by 2.

Since this is a ratio, it needs to be proportional.

So, we need to do the same thing for the numerator, 9.

9*2=18.

A=18km

B: This question is asking for an expression, which would be 9t. 9 is the amount he jogs per hour, and t is the hour that is unknown.