5 kilometres in 28 minutes. If this runner keeps this same speed for a 50 kilometer race, how long (in hours and minutes) will it take her to complete the race?

Time taken to run 5 kilometers = 28 minutes

Time taken to run one kilometer :-

So , it takes 5.6 minutes to run 1 kilometer .

Time taken to run 50 kilometers :-

280 minutes in hours :-

Therefore , it will take 4 hours for the runner to complete her 50 kilometer race .

he spend 5.1 minutes chatting with his friends

step-by-step explanation:

2/5+1/2=9/10

6/1-9/10=5 1/10

r(0,90)(x,y) . t(-5,0)

last option

step-by-step explanation:

∆def to ∆d"e"f"

- rotate 90 counterclockwise degrees

- then translated 5 to the left (x --> x - 5)

answer is the last option