Asked by annonoumus

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

Answered by 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
Answered by Anonymous
1 hour 51 minutes
Answered by Dr Russ
Agreed
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