Question

There were 4000 illiterate people in 2010 in a town . if the number of illiterate  people started decreasing by 200 every year then how many people are still illiterate at the end of 2020
WITH METHOD PLEASE ​

Answer 1

Answer:

mark me down Brainiest

Step-by-step explanation:

Answer

The increase in number of literate people forms an AP.

No of Literate people in the year 2010 = 4000.

∴a=4000

Increase in literate people per year= 400.

∴d=400

No. of years from 2010 to 2020 will be n.

2020−2010=10

∴n=10

No. of literate people in 2020 will be given by formula

t

n

=a+(n−1)d

t

10

=4000+(10−1)×400

t

10

=4000+3600

t

10

=7600

The number of literate people in thee year 2020 will be 7600 people.

Answer 2

Answer:

2000 I guess

Step-by-step explanation:

hope it helps

4000-200=3800

3800-200=3600

3600-200=3400

3200-200=3000

3000-200=2800

2800-200=2600

2600-200=2400

2400-200=2200

2200-200=2000