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פּוֹפּוּלָרִי Word Problems >

The population of a city has increased by 29% since it was last measured. If the current population is 77400, what was the previous population?

פתרון

T h e p o p u l a t i o n o f a c i t y ha s in cre a se d b y 29% s in ce i t w a s l a s t m e a s u re d . I f t h e c u rre n t p o p u l a t i o n i s 77400, w ha t w a s t h e p re v i o u s p o p u l a t i o n ?

פתרון

Amount before addition : 60000

צעדי פתרון

Translate the problem into an equation:

77400 = x + 0.29 x

77400 = x + 0.29 x : x = 60000

Amount before addition : 60000

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