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פּוֹפּוּלָרִי Word Problems >

30percentage of the class are 10 yars old and the other 21 children are 11 year old how many children were the class

פתרון

30 p erce n t a g e o f t h e c l a ss a re 10 y a rs o l d an d t h e o t h er 21 c hi l d re n a re 11 ye a r o l d h o w man y c hi l d re n w ere t h e c l a ss

פתרון

Percentage : \frac{1}{3}

Class^{'} s age is : y

צעדי פתרון

Translate the problem into an equation:

30 x = 10

30 x = 10, x

פתור בשביל:

x = \frac{1}{3}

age מצא את

Percentage : \frac{1}{3}

Class^{'} s age is : y

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