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dondre54
07.09.2020 •
Mathematics
suppose the population of a certain city is 3195 thousand. it is expected to decrease to 2546 thousand in 50 years. find the percent decrease.
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Ответ:
Hey there! I'm happy to help!
We see that 3195 minus a certain percent of 3195 is equal to 2546. Let's call this percent decrease p and then solve.
3195-3195p=2546
We subtract 3195 from both sides.
-3195p=-649
We divide both sides by -3195.
p≈0.20312989
To convert to a percent, we multiply by 100, giving us about 20.3% decrease.
Have a wonderful day! :D
Ответ:
1.5
Step-by-step explanation: