denisech09 denisech09

22-10-2018
Mathematics

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If a dozen widgets costs $42, who much will ten widgets cost?

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wegnerkolmp2741o wegnerkolmp2741o

22-10-2018

12 widgets 10 widgets

--------------- = ------------------

$42 ?

using cross products

12 *? = 42 * 10

? = 42 * 10 /12

?= 35

10 widgets will cost $35

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