Question

(1) A report estimates e-waste increasing by 15% every year and the
e-waste in 2014 is about 9 crore tons. What is the expected amount
of e-waste in 2020?​

Answer 1

Answer:

The increased waste=(initial waste×rate×time)/100

GIVEN: time=2020-2014=6 years

rate=15%, initial waste=9×10^7 tons

The increased waste=(9×10^7×6×15)/100 tons

=8.1×10^7 tons

At 2020 total amount of waste=(9×10^7 + 8.1×10^7)

=17.1×10^7 tons.

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