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Popular Word Problems >

The population of a city increases by 5% per year. If this year's population is 168,000, what will next year's population be, to the nearest individual?

Solution

T h e p o p u l a t i o n o f a c i t y in cre a ses b y 5% p er ye a r . I f t hi s ye a r^{'} s p o p u l a t i o n i s 168, 000, w ha t w i ll n e x t ye a r^{'} s p o p u l a t i o n b e, t o t h e n e a res t in d i v i d u a l ?

Solution

Amount after addition : 176400

Solution steps

Translate the problem into an equation:

x = 168000 + 0.05 \cdot 168000

x = 168000 + 0.05 \cdot 168000 : x = 176400

Amount after addition : 176400

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