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Algebra
Question

A knitting machine used a total of \( 457,500 \) m...

A knitting machine used a total of \( 457,500 \) meters of yarn to make \( 100 \) cardigans and \( 200 \) pullovers yesterday. The machine takes the same length of yarn to make \( 21 \) pullovers as to make \( 20 \) cardigans. 

What length of yarn does the machine use to make cardigans and pullovers? 

Answer

length used for cardigan = 1575 meters

length used for pullovers = 1500 meters

Solution
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