25.6k views
3 votes
If it takes 1/2 hour to walk 2/7 of a field, how long will it take to walk the whole field

2 Answers

8 votes

Answer:

1hour 45 minutes

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

User Silvan Mosberger
by
3.3k points
10 votes

Answer:

1 hr 45 min

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

User Fatouma
by
3.5k points