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Phổ biến Word Problems >

The current population of Middletown is 983,003 people, which is 90% larger than when Estelle moved there. What was the population of Middletown back then?

Lời Giải

T h e c u rre n t p o p u l a t i o n o f M i dd l e t o w n i s 983, 003 p eo pl e, w hi c h i s 90% l a r g er t han w h e n E s t e ll e m o v e d t h ere . Wha t w a s t h e p o p u l a t i o n o f M i dd l e t o w n ba c k t h e n ?

Lời Giải

Amount before addition : 517370

Các bước giải pháp

Translate the problem into an equation:

983003 = x + 0.9 x

983003 = x + 0.9 x : x = 517370

Amount before addition : 517370

Ví dụ phổ biến

If a product is marked up by 40% and the cost price is 50, what is the selling price?A number is six times another number. Their sum is 49. What are the numbers?The sum of the ages of a father and son is 56. Four years ago, the father was 3 times as old as the son. how old is the son now 15% of a number is 45. Find the number 3 years ago, Jeanette won some money in the lottery and put it in a bank account that earns 3% interest compounded monthly. If Jeanette currently has 200.00 in the bank account, how much interest has she earned?