The city of n lives 200,000 inhabitants. among them, - вопрос №186788820000015 от Dianaaaaaaaaaa03 16.07.2020 04:03

Question

Математика: The city of n lives 200,000 inhabitants. among them, 15% of children and adolescents. among adult residents, 45% do not work (pensioners, students, housewives, how many adult residents work? ​

Dianaaaaaaaaaa03 · Answer

80.000 работает т.к 15+45=60%100%х60=0.6х200.000=120.000200.000-120.000=80.000...

The city of n lives 200,000 inhabitants. among them, 15% of children and adolescents. among adult residents, 45% do not work (pensioners, students, housewives, how many adult residents work? ​

The city of n lives 200,000 inhabitants. among them, 15% of children and adolescents. among adult residents, 45% do not work (pensioners, students, housewives, how many adult residents work?