Question
Kristi jogged for 3/5 of an hour, swam for1/2 an hour, and rode her bicycle for 3/4 of an hour. How long did she exercise?
Answers
Dr Russ
Look like you are expected to add the fractions:
3/5 + 1/2 + 3/4
so need to add the fractions
use a common denominator
12/20 + 10/20 + 15/20
can you take it from here?
Alternatively
3/5 hour is 36 minutes
1/2 hour is 30 minutes
3/4 hour is 45 minutes
total is ? minutes
3/5 + 1/2 + 3/4
so need to add the fractions
use a common denominator
12/20 + 10/20 + 15/20
can you take it from here?
Alternatively
3/5 hour is 36 minutes
1/2 hour is 30 minutes
3/4 hour is 45 minutes
total is ? minutes
Anonymous
1 hour 51 minutes
Dr Russ
Agreed