jennyGx
jennyGx
04-08-2017
Mathematics
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Jefrafra
Jefrafra
04-08-2017
The correct answer is
B. u+2b=30
. This is because unicycles (represented by u) only have one wheel while bicycles (represented by b) have 2 wheels. You set it equal to 30 because that is the total number of wheels.
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