Vivian is going to do some yard work, but she needs to leave her house at 2: 00 to go to a football game. she is going to mow the lawn for 1 hour and 15 minutes, trim some bushes for 40 minutes, and put down some much for 25 minutes. she will also need 30 minutes to shower and get dressed. what time should she start the work so she will be ready at : 00?

she must start the work by 11:10 A.M. in order to get ready at 2:00 P.M.

Step-by-step explanation:

Time taken by Vivian to mow the lawn = 1 hour 15 minutes

Time taken to trim some bushes = 40 minutes

Time taken to put down some much = 25 minutes

Time taken to get shower and dressed = 30 minutes

Total time taken by Vivian = 1 hour 15 minutes + (40 + 25 + 30 ) minutes

                                            = 1 hour 15 minutes + 95 minutes

                                            = 1 hour ( 15 + 95) minutes

                                            = 1 hour 110 minutes

60 minutes = 1 hour

110 minutes = 1 hours 50 minutes

⇒ Total time taken by Vivian = 2 hours 50 minutes

Time upto which Vivian needs to get ready = 2 : 00

So, she must start the work by : 2 - 2 hours 50 minutes

                                                  = 11 : 10 a.m.

Hence, she must start the work by 11:10 A.M. in order to get ready at 2:00 P.M.

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