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شائع Word Problems >

Shaira is 3 years older than Maryl. 4 years ago, the sum of their ages was 12.

الحلّ

S hai r a i s 3 ye a rs o l d er t han M a ry l . 4 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.

الحلّ

Shaira^{'} s age is : 11 \frac{1}{2}

Maryl^{'} s age is : 8 \frac{1}{2}

خطوات الحلّ

Translate the problem into an equation:

x - 4 + x - 3 - 4 = 12

x - 4 + x - 3 - 4 = 12, x

حلّ لـ:

x = \frac{23}{2}

age جد

Shaira^{'} s age is : 11 \frac{1}{2}

Maryl^{'} s age is : 8 \frac{1}{2}

أمثلة شائعة

Three times the smaller of two consecutive odd integers is the same as 63 less than 4 times the larger integer. Find the integers.James drove to his brother’s house, which was 225 miles away. It took him 3 hours to get there. What was his average speed per hour?Maryl is 3 years older than Shaira. 10 years ago, the sum of their ages was 40.When six is subtracted from half of a number, the result is-18. What is the original number?the larger of two numbers is nine less than four times the smaller number. if the sum of two numbers is 76, find both numbers