Question

Emma is training for a 10-kilometer race. She wants to beat her last 10-kilometer time, which was 1 hour 10 minutes. Emma has already run for 55 minutes. Which inequality can be used to find how much longer she can run and still beat her previous time? (1 hr = 60 min)

Answer 1

Answer:

We know,

1 hr = 60 min

Now, we will do the conversions of the time taken into minutes by Emma to complete her each of the race.  

The time for her last 10 km race = 1 hr 10 minutes = (60 + 10) minutes = 70 minutes

It is given that Emma had already run for 55 minutes.

Let the remaining time taken by her to beat the previous timing for the race be “x” minutes.

Thus,  

The inequality equation that satisfies the given condition, which will give the value of how much longer she can run and still beat her previous time is,

(55 + x) < 70

Answer 2

Answer:

Step-by-step explanation:

D. 70>t + 55