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פּוֹפּוּלָרִי Word Problems >

eli is now a quarter of his father's age. in 5 years time his age will be a third of his father's age. how old is eli now?

פתרון

e l i i s n o w a q u a r t er o f hi s f a t h e r^{'} s a g e . in 5 ye a rs t im e hi s a g e w i ll b e a t hi r d o f hi s f a t h e r^{'} s a g e . h o w o l d i s e l i n o w ?

פתרון

Eli^{'} s age is : 10

צעדי פתרון

Translate the problem into an equation:

\frac{1}{4} x + 5 = \frac{1}{3} (x + 5)

\frac{1}{4} x + 5 = \frac{1}{3} (x + 5), x

פתור בשביל:

x = 40

Eli's age מצא את:

10

Eli^{'} s age is : 10

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