chavezshaw489 chavezshaw489

05-12-2017
Mathematics

contestada

A certain forest covers an area of 3400 km2 . suppose that each year this area decreases by 7.75% . what will the area be after 6 years?

Respuesta :

Topmadworld Topmadworld

05-12-2017

Hey there,

Solution:
1 year = 7.75%
6 years = 7.75% x 6
= 46.5%

100% = 3400 km^2
1% = 3400km^2 / 100
= 11,560,000 / 100
= 115,600
46.5% = 115,600 x 46.5
= 5,375,400
Area left = 11,560,000 - 5,375,000
= 6,185,000

Hope this helps :))

~Top♥

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