Предмет: Математика, автор: Walanter

Купили 2 кг яблок и 6 кг груш цена яблок x тенге за 1 кг груши стоят на 70 тенге дороже чем яблоки узнай стоимость двух килограммов яблок и шести килограммов груш вместе найди значения выражения если x =100 тенге.ПОМОГИТЕ ПОЖАЛУЙСТА

parozit228332: в форме задачи или уравнение?

Gentbwb: Почему у меня не открывается ответ?

Ответы

Автор ответа: Львенок15

1кг яблок- х

2кг яблок -2×х

1 кг груш- х+70

6кг груш - 6×(х+70)

Составляем уравнение:

2×х+6×(х+70) ,так как х=100 , то заменяет Х на 100

2×100+6×(100+70)=1220

Ответ:1220

adelinichkab2009: Спасибоооо

thegirlsfight: thanks

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