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פּוֹפּוּלָרִי Word Problems >

Three years ago, Tina was three times as old as George. Now, Tina is twice as old as George. How old are Tina and George currently?

פתרון

T h ree ye a rs a g o, T ina w a s t h ree t im es a s o l d a s G eor g e . N o w, T ina i s tw i ce a s o l d a s G eor g e . Ho w o l d a re T ina an d G eor g e c u rre n tl y ?

פתרון

George^{'} s age is : 6

Tina^{'} s age is : 12

צעדי פתרון

Translate the problem into an equation:

2 x - 3 = 3 (x - 3)

2 x - 3 = 3 (x - 3), x

פתור בשביל:

x = 6

age מצא את

George^{'} s age is : 6

Tina^{'} s age is : 12

דוגמאות פופולריות

what number is 15% of 60 Five times the sum of a number and 4 is-15 The sum of three times a first number and twice a second number is 42 . If the second number is subtracted from twice the first number, the result is 14 . Find the first number.Find three consecutive even integers such that the sum of the smallest number and twice the middle number is 20 more than the largest number.The sum of twice a number and half the number is 10