Answer will in this form: some time of the day.
To get that we need 2 things, start time and rate.
From 1, we get start time which is 8:15am and we are told that at 12 its half of the work so we can calculate when she finished. Don't waste your time on calculating the time. its not needed.
From 2, we know only know rate of work but no start time so numerous end time are possible. No sufficient.
ANSWER: A
boomtangboy wrote:
If Ruth began a job and worked continuously until she finished, at what time of day did she finish the job?
(1) She started the job at 8:15 a.m. and at noon of the same day she had worked exactly half of the time that it took her to do the whole job.
(2) She was finished exactly 7.5 hours after she had started.
I thought that
was the answer since the rate of work could change in the 2nd half of the day. Need clarifications