Answers

2014-06-23T12:05:09+08:00
Simple ADDITION:

Total hours of work last week = Number of hours worked on Tuesday + Number of hours                                                 worked on Thursday + Number of hours worked on                                                          Saturday.
                                           = 6.7 hours + 5.9 hours +7.8 hours
                                           = 20.4 hours...............ANSWER
0
2014-06-23T19:50:01+08:00
To get the total number of hours Laila worked in a week you must add the hours she worked on one day. 

Tuesday--- 6.7
Thursday--- 5.9
Saturday--- 7.8

total= 20.4

the answer is 20.4 hours. :)
0