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פּוֹפּוּלָרִי Word Problems >

Alvin is 9 years older than Elga. The sum of their ages is 75. What is Elga's age?

פתרון

A l v in i s 9 ye a rs o l d er t han El g a . T h e s u m o f t h e i r a g es i s 75. Wha t i s El g a^{'} s a g e ?

פתרון

Elga^{'} s age is : 33

צעדי פתרון

Translate the problem into an equation:

x + x - 9 = 75

x + x - 9 = 75, x

פתור בשביל:

x = 42

Elga's age מצא את:

33

Elga^{'} s age is : 33

דוגמאות פופולריות

Lauren's age is half of Joe's age. Emma is four years older than Joe. The sum of Lauren, Emma, and Joe's age is 234. How old is Emma?4 times a number, plus 9 4 times a number.the sum of two consecutive odd integers is 144 Gwen opened a savings account and deposited 500.00 as principal. The account earns 3% interest, compounded annually. What is the balance after 8 years?