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شائع Word Problems >

The sum of the ages of Josiah and Lynda is 117 years. 11 years ago, Josiah's age was 4 times Lynda's age. How old is Josiah now?

الحلّ

T h e s u m o f t h e a g es o f J os iah an d L y n d a i s 117 ye a rs . 11 ye a rs a g o, J os ia h^{'} s a g e w a s 4 t im es L y n d a^{'} s a g e . Ho w o l d i s J os iah n o w ?

الحلّ

Josiah^{'} s age is : 87

خطوات الحلّ

Translate the problem into an equation:

x - 11 = 4 (117 - x - 11)

x - 11 = 4 (117 - x - 11), x

حلّ لـ:

x = 87

Josiah^{'} s age is : 87

أمثلة شائعة

triple the sum of a number and 7 is the same as 3 more than the number the sum of 3 times a number and 4 is 13 eight less than the product of 6 and a number is4 one number exceeds another number by 22 and their sum is 58. Find the two numbers An item is regularly priced at \$55. It is on sale for 80% off the regular price. What is the sale price?