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Malinina5451
@Malinina5451
October 2021
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Помогите решить ЗАДАЧУ 1 , пожалуйста СРОЧНО!!!
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Pro100zWz
По пропорции
20% = 45
x% = 90(1.5 часа)
х=90*20/45=40%
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Answers & Comments
20% = 45
x% = 90(1.5 часа)
х=90*20/45=40%