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Popular Word Problems >

The population of Denmark is 6.6 million people. Every year after, the population is expected to go down at a rate of 8.7%. Write an equation to represent this situation.

Solution

T h e p o p u l a t i o n o f De nma r k i s 6.6 mi ll i o n p eo pl e . E v ery ye a r a f t er, t h e p o p u l a t i o n i s e x p ec t e d t o g o d o w n a t a r a t e o f 8.7%. W r i t e an e q u a t i o n t o re p rese n t t hi s s i t u a t i o n .

Solution

Amount after addition : 7.1742

Solution steps

Translate the problem into an equation:

x = 6.6 + 0.087 \cdot 6.6

x = 6.6 + 0.087 \cdot 6.6 : x = 7.1742

Amount after addition : 7.1742

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