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Mathematics 20 Online
OpenStudy (anonymous):

julia knows 19 latin words. each day, she learns 6 new words. how many days until she knows 145 words? A) 20 B) 21 C) 22 D) 23

OpenStudy (anonymous):

just calculate

hero (hero):

She already knows 19 words, so subtract 19 from 145

OpenStudy (anonymous):

we know she knows 19 already

OpenStudy (anonymous):

everyday she can learn 6 more new words

hero (hero):

Then divide the result of that subtraction by six.

OpenStudy (anonymous):

so count 6 each time every day plus the 19 she already knows

OpenStudy (er.mohd.amir):

this is arithmetic progession a=19,d=6

OpenStudy (anonymous):

Sorry I not good at math what would I calculate

OpenStudy (anonymous):

6 times each of the choices one by one plus 19

OpenStudy (anonymous):

until you get 145

hero (hero):

Re-read my previous two Comments.

OpenStudy (anonymous):

Ok thanks

OpenStudy (anonymous):

I know it is not A re-read our comments A.so 6 times 20 plus 19 is: B.so 6 times 21 plus 19 is: C.so 6 times 22 plus 19 is: D.so 6 times 23 plus 19 is: then you will find your answer

OpenStudy (anonymous):

It's b I'm pretty sure

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