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Popular Word Problems >

An eagle is 4 times as old as a falcon. Three years ago, the eagle was 7 times as old as the falcon. Find the present age of each bird.

Solution

implicit derivative

e a g l e i s 4 t im es a s o l d a s a f a l co n . T h ree ye a rs a g o, t h e e a g l e w a s 7 t im es a s o l d a s t h e f a l co n . F in d t h e p rese n t a g e o f e a c h bi r d .

Solution

Falcon^{'} s age is : 6

Eagle^{'} s age is : 24

Solution steps

Translate the problem into an equation:

4 x - 3 = 7 (x - 3)

Solve for

x, 4 x - 3 = 7 (x - 3) : x = 6

Find age

Falcon^{'} s age is : 6

Eagle^{'} s age is : 24

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