The population of a village is in the following ratios.
1 answer:
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Given :
Initial concentration , 240 ppm .
Final concentration , 360 ppm .
To Find :
Percent increase.
Solution :
Percentage increase is given by :
Therefore , percent increase is 50 % .
Hence , this is the required solution .
The wrong step is step 4, because you only need one conversion.
The formula to convers pounds to kilograms is
Obviously, the inverse formula is
So, you're given an input of 142 pounds. To convert it in kilograms, plug that value into out formula:
and this is the answer you're looking for, so you need no more steps.
Answer:
The rate of depreciation is 50%
Step-by-step explanation:
We are given
a car is depreciated in four years
so, depreciation in 1 year is
the rate of depreciation using twice the straight-line rate
so, we will multiply by 2 and then we can find rate of depreciation
so, rate of depreciation is
%