katibear katibear

01-05-2015
Mathematics

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the ratio of men to women in a certain factory is 3 to 4. there are 210 men. How many workers are there?

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apologiabiology apologiabiology

01-05-2015

so men to women=3 to 4
210 men

210 represents 3 units
wome=4

210=3 units
divide by 3
70=1 unit
multiply by 4 to find women
280=women

total workers=women+men
women=280
men=210
280+210=490

total =490

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