1/10. After a recession the
company managed to
keep only 3/8 of its initial
personnel. Find the
decrease of the
personnel in the
company in percents.
161
307
Ответы на вопрос:
5*(810: 9-x*3)=40*8-5 5*(810: 9-х*3)=320-5 или можно сразу 315810: 9-х*3=315: 5 810: 9-х*3=63 90-х*3=63 х*3=90-63 х*3=27 х=27: 3 х=9 5*(810: 9-9*3)=40*8-5 ответ: х=9
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