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פּוֹפּוּלָרִי >

Jack is 3 times as old as Lacy. 7 years from now the sum of their ages will be 34 . How old are they now?

פתרון

Jack is 3 times as old as Lacy. 7 years from now the sum of their ages will be 34 . How old are they now?

פתרון

Lacy^{'} s age is : 5

Jack^{'} s age is : 15

צעדי פתרון

Translate the problem into an equation:

3 x + 7 + x + 7 = 34

3 x + 7 + x + 7 = 34, x

פתור בשביל:

x = 5

age מצא את

Lacy^{'} s age is : 5

Jack^{'} s age is : 15

דוגמאות פופולריות

The diameter of a circle is 8 m. Find its circumference in terms of pipi.Trisha is 4 years older than Caila now. The sum of their ages in 8 years from now will be 38. How old are Caila and Trisha now?circle has a circumference of 28.26 units. What is the diameter of the circle? Use 3.14 for pi and enter your answer as decimal.Dominc has two apples he eats one, how many does he have left A circle has a circumference of 35cm. What is its exact diameter?