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Mathematics 7 Online
OpenStudy (anonymous):

Bo and Erica are yoga instructors. Between the two of them, they teach 46 yoga classes each week. If Erica teaches 14 fewer than twice as many as Bo, how many classes does each instructor teach per week? 20 Bo; 26 Erica 22 Bo; 24 Erica 24 Bo; 22 Erica 17 Bo; 29 Erica

OpenStudy (anonymous):

Ok, first we need to make an equation. Do you know how we would set it up?

OpenStudy (anonymous):

no

OpenStudy (anonymous):

Start with the total which is 46. After that assign x and y. x will be bo and y will be Erica. Since Erica is 14 less than 2 times bo the equation is y=2x-14

OpenStudy (anonymous):

then substitute the numbers?

OpenStudy (anonymous):

yes, exactly.

OpenStudy (anonymous):

what is bo number

OpenStudy (anonymous):

It would have to be 20 because 20=2(20)-14 is the only true equation So your answer is a. Hope this helped :D

OpenStudy (anonymous):

thank you can u help me with more

OpenStudy (anonymous):

Start a new question and I will gladly help you.

OpenStudy (anonymous):

close this question?

OpenStudy (anonymous):

Yep :)

OpenStudy (anonymous):

k

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