A special weed grows so that each day it doubles its area. On the 100th day it completely covers the pond. On what day was the p

Question

denpristay [2]

4 years ago

11

A special weed grows so that each day it doubles its area. On the 100th day it completely covers the pond. On what day was the p

ond half covered?

Mathematics

2 answers:

jekas [21] · Answer 1 · 2022-01-21T13:23:08+03:00

jekas [21]4 years ago

7 0

The pond was half covered on day 50

Nat2105 [25] · Answer 2 · 2022-01-21T14:43:19+03:00

Nat2105 [25]4 years ago

4 0

ANSWER: 50th day

REASONING:

If it was fully covered on the 100th day, then that means that half covered has to be half way which is 100 ÷ 2. Thus, it’s equal to 50.

(Might be a little complicated, but I hope it helps)