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פּוֹפּוּלָרִי Word Problems >

The present age of Alex is four times the present age of his son. Five years ago, the sum of their ages was 35 years.Find their present ages.

פתרון

T h e p rese n t a g e o f A l e x i s f o u r t im es t h e p rese n t a g e o f hi s so n . F i v e ye a rs a g o, t h e s u m o f t h e i r a g es w a s 35 ye a rs . F in d t h e i r p rese n t a g es .

פתרון

Son^{'} s age is : 9

Alex^{'} s age is : 36

צעדי פתרון

Translate the problem into an equation:

4 x - 5 + x - 5 = 35

4 x - 5 + x - 5 = 35, x

פתור בשביל:

x = 9

age מצא את

Son^{'} s age is : 9

Alex^{'} s age is : 36

דוגמאות פופולריות

60 is 24% of what number what is the balance after 7 years if 54000 is invested at 6% compound annually find the circumference of a circle having 3.1 cm of diameter When a number is increased by 9.5%, the result is 58. What is the original number to the nearest tenth?The sum of two numbers is 74 and their difference is 24. Find the numbers