Diana worked on her science project for 5 1/3 hours. gabe worked on his science project 1 1/4 times as long as diana. paula worked on her science project 3/4 times as long as diana

Time taken by Diana to finish her project is 5 1/3 hours

Gabe took 1 1/4 times as long as Diana, therefore Gabes time will be:

1 1/4 * 5 1/3

=5/4 * 16/3

=20/3

=6 2/3 hours

Paula took 3/4 times as long as Diana, therefore time taken by Paula will be:

3/4 * 16/3

=4 hours