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twenty-five percent of teachers at elway middle school assigned homework for this weekend. if 7 teachers assigned homework this weekend, how many teachers work at elway middle school

Respuesta :

Answer:

28

Step-by-step explanation:

25 percent of teachers are 7 teacher

100 percent of teachers are X teachers

Do crisscross to get Z

100x7=25X

—> X= (700)/25= 28

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