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Kate7779393727
Kate7779393727
01.10.2021 01:59 •  Алгебра

Мама купила конфеты "белочка" и конфеты "медвежонок". всего в пакете было 294 конфеты, причем количество конфет "белочка" относилось к количеству конфет "медвежонок", как 5: 9. сколько конфет "белочка" и сколько конфет "медвежонок" купила мама?

👇
Ответ:
aregv
aregv
01.10.2021
Пусть конфет "Белочка" было 5х, тогда конфет "Медвежонок" было 9х.
Всего 294 конфеты. 
5х+9х=294
14х=294
х=21
Значит, конфет "Белочка" было 5 умножить на 21 =105, а "медвежонок" 9 умножить на 21 = 189.
4,7(59 оценок)
Ответ:
pivovarchik077
pivovarchik077
01.10.2021
5х+9х=294
14х=294
х=21
белочка 5х= 5*21=105
медвежонок 9х=9*21=189
4,6(96 оценок)
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Ответ:
iKatya16
iKatya16
01.10.2021

объяснение:

  путь       скорость       время

туда           х  км       15 км/ч         х/15 ч

обратно       х км         10 км/ч         х/ 10 ч

составим уравнение:   х/10 - х/15 = 1 | ·  30

                                    3 x  -   2x = 30

                                      x = 30 (км) 

4,4(21 оценок)
Ответ:
гсооагвгв
гсооагвгв
01.10.2021

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