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OpenStudy (anonymous):
While riding her bike to the ocean and back, Mandi timed herself at 48min, 50 min, 45min, 52 min, 60min, and 56 min. She had set a goal of averaging 52 minutes for her rides. How many minutes will she need to spend on her seventh ride to attain her goal?
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OpenStudy (anonymous):
(48+50+45+52+60+56+x) / 7 =52
OpenStudy (anonymous):
isolate for x
OpenStudy (anonymous):
because x is the unknown value a.k.a the number of minutes she should spend on the seventh ride
OpenStudy (anonymous):
does that help?
OpenStudy (anonymous):
yeah.... so x=52???
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OpenStudy (amistre64):
id assume x = 52(7) - (all the other times)
OpenStudy (anonymous):
53
OpenStudy (anonymous):
Thanks a bunch
OpenStudy (anonymous):
np
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