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Mathematics 20 Online
OpenStudy (harleygirl18):

Plz help will fan and medal For homework, Fred has to read 30 minutes daily. It takes him 2 minutes per page, and he spends 4 minutes viewing graphics in the book. If x represents the number of pages he reads, then 2x + 4 ≥ 30 represents the time he reads each day. What is the fewest number of pages Fred must read to complete his homework?

OpenStudy (anonymous):

you have to isolate your variable

OpenStudy (anonymous):

do you know how?

OpenStudy (harleygirl18):

no not really

OpenStudy (anonymous):

since the inequality is 2x + 4 ≥ 30 then you have to subtract 4 from both sides

OpenStudy (anonymous):

what do you get when you do that?

OpenStudy (harleygirl18):

x≥13

OpenStudy (anonymous):

not exactly...you subtract 30 and 4 and get 26......on the other side you just subtract 4 and 4.. you then get 2x≥26 do you have any idea what to do next

OpenStudy (anonymous):

actually you found the answer so i guess your right XD

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