Respuesta :

vihankalsi

Answer:

1 hr 45 min

Step-by-step explanation:

so to get one from 2/7 me multiply by 7/2

so if we also multiply the time by 7/2

we get 1/2*7/2=7/4 hour

1 and 3/4 hour or

1 hr 45 min

tismian

Answer:

1hour 45 minutes

Step-by-step explanation:

2\7= 30min

7\7=7\7×30÷2\7=7\7×30×7\2=105mins

1h=60min

   =105min

105÷60=1 1\4 hour