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פּוֹפּוּלָרִי Word Problems >

Lauren's age is twice of Joe's age. Emma is four years older than Joe. The sum of Lauren, Emma, and Joe's age is 52. How old is Joe?

פתרון

L a u re n^{'} s a g e i s tw i ce o f J o e^{'} s a g e . E mma i s f o u r ye a rs o l d er t han J oe . T h e s u m o f L a u re n, E mma, an d J o e^{'} s a g e i s 52. Ho w o l d i s J oe ?

פתרון

Joe^{'} s age is : 12

צעדי פתרון

Translate the problem into an equation:

2 x + x + 4 + x = 52

2 x + x + 4 + x = 52, x

פתור בשביל:

x = 12

Joe^{'} s age is : 12

דוגמאות פופולריות

The larger of 2 numbers is 4 more than the smaller number. If the sum of the numbers is 74 what are the numbers In 6 years, a bond that paid 5.5% earned 594 interest. What was the principal of the bond?Emmett deposited 90 in an account earning 5% interest compounded annually.To the nearest cent, how much will he have in 2 years?Michael is 4 times as old as Brandon and is also 27 years older than Brandon.Ann is 3 years older than Helen. If twice the sum of their ages is 50 years, how old is Ann.