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פּוֹפּוּלָרִי Word Problems >

Jill is 18 years older than Jack. In 8 years, she will be three times his age. How old is Jack?

פתרון

J i ll i s 18 ye a rs o l d er t han J a c k . I n 8 ye a rs, s h e w i ll b e t h ree t im es hi s a g e . Ho w o l d i s J a c k ?

פתרון

Jack^{'} s age is : 1

צעדי פתרון

Translate the problem into an equation:

x + 8 = 3 (x - 18 + 8)

x + 8 = 3 (x - 18 + 8), x

פתור בשביל:

x = 19

Jack's age מצא את:

1

Jack^{'} s age is : 1

דוגמאות פופולריות

Amy is 23 years older than Taylor. In 6 years, Amy will be twice as old as Taylor. How old are they now?the difference of twice a number and 2 is most at-27.One number is 18 less than another, and the sum of two numbers is four. Find the numbers.The sum of two numbers is 35 . The first number minus twice the second number is 8 . Find the numbers.How much money should be invested today to accumulate $10000 in 8 years at 7% ?