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Una gruesa de lapices(144 unidades) cuesta $6.800. Cuanto cuestan 450 lapices
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Una gruesa de lapices(144 unidades) cuesta $6.800. Cuanto cuestan 450 lapices

User Johnny Svarog
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Write and solve an equation of ratios:

$6,800 x
------------- = --------------
144 units 450 units

Then 144x = 3060000, or x = $21,250 (answer)
User Jeromej
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