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פּוֹפּוּלָרִי Word Problems >

Five years ago, Nina was twice as old as Sam. In five years, she will be 1.5 times as old as Sam. How old are Nina and Sam right now?

פתרון

F i v e ye a rs a g o, N ina w a s tw i ce a s o l d a s S am . I n f i v e ye a rs, s h e w i ll b e 1.5 t im es a s o l d a s S am . Ho w o l d a re N ina an d S am r i g h t n o w ?

פתרון

Nina^{'} s age is : 25

Sam^{'} s age is : 15

צעדי פתרון

Translate the problem into an equation:

x - 5 = 2 (y - 5), x + 5 = 1.5 (y + 5)

x - 5 = 2 (y - 5), x + 5 = 1.5 (y + 5) : x = 25, y = 15

Nina^{'} s age is : 25

Sam^{'} s age is : 15

דוגמאות פופולריות

Robert’s father is 4 times as old as Robert. After 5 years, father will be three times as old as Robert. Find their present ages.I am five years now.my son is half my age.How old is my son Selena is 6 years younger than her friend Taylor, and the sum of their ages is 48. What would betheir ages 4 years from now?13 years from now Steven will be twice as old as Maria. The current sum of the ages of Steven and Maria is 55. How old is Maria right now?Sophie is 6 years older than Simphiwe. In 3 years', time Sophie will be twice as old as Simphiwe. How old is Sophie now?