Seudónimo Seudónimo

01-03-2015
Mathematics

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Large trucks have 18 wheels. Vans have 4 wheels. Miguel sat at the window at the truck stop and counted 84 vehicles in the parking lot. He figured out that there were 1,343 wheels. How many trucks and vans were in the parking lot?

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Аноним Аноним

01-03-2015

18L+4v=1344
-4(L+v=84)
18L+4v=1344
-4L+-4v=-336
14L=1008
L=72
84-72=12
v=12

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