Question

can some one check over my answer to Think about a kayaking race, a round trip airplane flight, a shopper on an escalator, or a swimming competition.

Choose an activity where a rational expression can represent the total or difference of time. For example, what is the time to go round trip on a hot air balloon ride?

Use full sentences to describe the real world situation. Write the addition or subtraction rational expression to represent your situation. Simplify the expression, showing all the work or explaining the steps using complete sentences.

Answer 1

It took a marathon runner 3 hours to run a marathon going 15 mph it him one hour less going three fourths as fast how far did he run all together

Answer 2

@jim_thompson5910 can you please help me with this word problem?

Answer 3

So it took him 2 hours.

Answer 4

how would i set it up as a rational equation

Answer 5

Is this one race?

Answer 6

both races together

Answer 7

Well distance over time = speed

Answer 8

so speed/time = distance

Answer 9

Sorry, speedxtime=distance

Answer 10

so 15x3=45

Answer 11

+(2x3/4 of 15)

Answer 12

2 is the time in the second run and the speed is 3/4 of 15 so 45/4 x 2

Answer 13

So 45 + 45/2 so 90/2 +45/2 so 135/2

Answer 14

miles.

Answer 15

The answer is 135/2

Answer 16

um i didnt want the answer i wanted to know if i did it right

Answer 17

But you didn't say what you said