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شائع Word Problems >

The population of a city decreases by 3.7% per year. If this year's population is 132,000, what will next year's population be, to the nearest individual?

الحلّ

T h e p o p u l a t i o n o f a c i t y d ecre a ses b y 3.7% 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 132, 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 ?

الحلّ

Amount after reduction : 127116

خطوات الحلّ

Translate the problem into an equation:

x = 132000 - 0.037 \cdot 132000

x = 132000 - 0.037 \cdot 132000 : x = 127116

Amount after reduction : 127116

أمثلة شائعة

Lennie Cavan earned 576 in interest when she invested in a fund paying 9.5% simple interest for 4 years. How much did Lennie invest originally using the simple interest formula?One number is two more than another. Their sum is 8.Seven more than the product of a number and 9 is 3 two consecutive numbers whose sum is 229 the scale of a rectangle is 1cm:320m. the length of the rectangle is 2.5 cm and the width is 12.5 cm. what is the real life area of the rectangle?