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פּוֹפּוּלָרִי Word Problems >

mary is 6 years older than her sister kelly. the sum of their ages is 48. how old is kelly

פתרון

ma ry i s 6 ye a rs o l d er t han h er s i s t er k e ll y . t h e s u m o f t h e i r a g es i s 48. h o w o l d i s k e ll y

פתרון

Kelly^{'} s age is : 21

צעדי פתרון

Translate the problem into an equation:

x + x - 6 = 48

x + x - 6 = 48, x

פתור בשביל:

x = 27

Kelly's age מצא את:

21

Kelly^{'} s age is : 21

דוגמאות פופולריות

Today a man is five times as old as his son. In 6 years’ time he will be 3 times as old as his son. How old is the man today?AJ is 6 years younger than his sister Ella. Five years ago, the sum of their ages is 50 . How old are they 7 years from now?Ishaan is 3 times as old as Christopher and is also 14 years older than Christopher. How old is Christopher?Elli's age is in 10 years will be the same as Peggy's age now. Five years from now, Peggy's age will be twice Elli's age. What are their present ages?Kevin is 3 times as old as Daniel. 4 years ago, Kevin was 5 times as old as Daniel.How old is Kevin now?