Jereen spent 1/4 hour on homework after school, another 1/2 hour after she got home, and final 1/3 hour after dinner. Did she sp

Question

3 years ago

10

end more or less than 1 hour on homework in all?

2 answers:

lyudmila [28] · Answer 1 · 2022-05-10T22:30:49+03:00

8 0

More than an hour. Spent 1 hour 5 mins on homework...
1/4 hour = 15 mins
1/2 hour = 30 mins
1/3 hour = 20 mins

vladimir2022 [97] · Answer 2 · 2022-05-10T20:44:56+03:00

5 0

More than 1 hour.
1/4 + 1/2 is the same as 1/4 + 2/4 = 3/4
3/4 + 1/3 is the same as 9/12 + 4/12 = 13/12
13/12 = 1 1/12