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פּוֹפּוּלָרִי Word Problems >

Shaira is 7 years older than Maryl. Three years ago the sum of their ages was 12. How old are they now?

פתרון

S hai r a i s 7 ye a rs o l d er t han M a ry l . T h ree ye a rs a g o t h e s u m o f t h e i r a g es w a s 12. Ho w o l d a re t h ey n o w ?

פתרון

Shaira^{'} s age is : 12 \frac{1}{2}

Maryl^{'} s age is : 5 \frac{1}{2}

צעדי פתרון

Translate the problem into an equation:

x - 3 + x - 7 - 3 = 12

x - 3 + x - 7 - 3 = 12, x

פתור בשביל:

x = \frac{25}{2}

age מצא את

Shaira^{'} s age is : 12 \frac{1}{2}

Maryl^{'} s age is : 5 \frac{1}{2}

דוגמאות פופולריות

Jenny is 12 years older than Steve. Five years ago, Jenny was four times older than Steve was then. How old are Jenny and Steve now?One number is two more than another. Their sum is eight. Find both numbers.One number is three more than twice another number. If the sum of the two numbers is 36, find the numbers.If seven more than two times a number is three less than four times the same number. What is the number?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 52. How old is Joe?