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КристинаГаристина
@КристинаГаристина
October 2021
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помогите номер 54 срочно
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talmen90
1)120 - x%
200 - 100%
Решаем перекрестным правилом, получаем
120*100=200*x
12000=200x
x=60
Ответ: 60%
2)
33 - х%
40 - 100%
3300=40x
x=82,5%
3)
125 - x%
200 - 100%
12500=200x
x=62,5%
4)
200 - x%
125 - 100%
20000=125x
x=160%
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Answers & Comments
200 - 100%
Решаем перекрестным правилом, получаем
120*100=200*x
12000=200x
x=60
Ответ: 60%
2)
33 - х%
40 - 100%
3300=40x
x=82,5%
3)
125 - x%
200 - 100%
12500=200x
x=62,5%
4)
200 - x%
125 - 100%
20000=125x
x=160%