Judy studied for of an hour, and her sister studied for of an hour. About how much time did they spend studying altogether? They studied for a little more than an hour.
They studied for half an hour.
They studied for an hour.
They studied for a little less than an hour.

an hour and 15 minutes a little more than and hour

Explanation:

1/4 of an hour is 15 minutes

plus Judy studied for an hour

add that up and hour and 15 mins

3 box to the first, 2 box to the 4th, the 4th to the 3rd

explanation:

go to the faq page, you'll find the instructions there.

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