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شائع Word Problems >

Mike is 10 years old and his sister is 2 years old. In how many years will mike be twice as old as his sister

الحلّ

M ik e i s 10 ye a rs o l d an d hi s s i s t er i s 2 ye a rs o l d . I n h o w man y ye a rs w i ll mik e b e tw i ce a s o l d a s hi s s i s t er

الحلّ

Number of years from now : 6

خطوات الحلّ

Translate the problem into an equation:

2 (2 + x) = 10 + x

2 (2 + x) = 10 + x, x

حلّ لـ:

x = 6

Number of years from now : 6

أمثلة شائعة

the sum of two numbers is 65. one number is 4 times as large as the other.what are the numbers The sum of three numbers is 137. The second number is 5 more than the first. The third number is 4 times the first. What are the numbers?the sum of two numbers is 48. if the smaller number is one fifth of the larger number, find the two numbers one number is 3 more than twice another number. their sum is 36. Find both numbers.The sum of three consecutive even integers is 72. What are the three numbers?