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פּוֹפּוּלָרִי Word Problems >

Lauren's age is half of Joe's age. Emma is five years older than Joe. The sum of Lauren, Emma, and Joe's age is 35. How old is Joe?

פתרון

L a u re n^{'} s a g e i s ha l f o f J o e^{'} s a g e . E mma i s f i v e 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 35. Ho w o l d i s J oe ?

פתרון

Joe^{'} s age is : 12

צעדי פתרון

Translate the problem into an equation:

\frac{1}{2} x + x + 5 + x = 35

\frac{1}{2} x + x + 5 + x = 35, x

פתור בשביל:

x = 12

Joe^{'} s age is : 12

דוגמאות פופולריות

The radius of a circle is 7 cm. Find the circumference in terms of pi Find three consecutive odd integers whose sum is 39.mother is twice as old as her daughter now,:but 10 years ago, she was 3 times as old as her:daughter. Find their ages at present.solve for The sum of 3 times a number and 5 is equal to 9.Darrell opened a savings account and deposited 600.00 as principal. The account earns 13% interest, compounded annually. What is the balance after 7 years?