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Popular Word Problems >

a boy is 10 years older than his brother. In four years he will be twice as old as his brother. Find the present age of each

Solução

a b oy i s 10 ye a rs o l d er t han hi s b ro t h er . I n f o u r ye a rs h e w i ll b e tw i ce a s o l d a s hi s b ro t h er . F in d t h e p rese n t a g e o f e a c h

Solução

Boy^{'} s age is : 16

Brother^{'} s age is : 6

Passos da solução

Translate the problem into an equation:

x + 4 = 2 (x - 10 + 4)

Resolver para

x, x + 4 = 2 (x - 10 + 4) : x = 16

Encontrar age

Boy^{'} s age is : 16

Brother^{'} s age is : 6

Exemplos populares

The sum of two consecutive even integers is 278 The square of a number minus the number cubed the difference of the squares of a pair of consecutive whale numbers is 113. what are the two numbers.Find three consecutive odd numbers whose sum is 64 The quotient of a number and 6.