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bernicewhite156
25.02.2021 •
Mathematics
The population of a small town was 10,800 in 2003. Since then, the population has decreased at a rate of 2.5% each year. What is the population of the town in 2021?
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Ответ:
5940
Step-by-step explanation: I don't know if it's for sure right but here
First I knew 10,800 was 100% and I wanted to find 2.5%
So I did:
10,800 divided by 100 and I got 108 = 1%
Than you want to do
108 x 2.5 = 270 ( 2.5% )
After that you wanted to find out how much years apart so
2021 - 2003 = 18
Then
18 x 270 = 4,860
Last of all you have to do
10,800 - 4,860 = 5940
Ответ:
Step-by-step explanation:
20 km to 95 minutes = x km to 285 minutes
20 / 95 = x / 285cross multiply
(95)(x) = (20)(285)
95x = 5700
x = 5700/95
x = 60 km <