1/2(8-x)=10 A.12 B.3 C.-12
1 answer:
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Hi there!
To covert any decimal number,
Multiply the Decimal Number by 100, and put the " % " sign .
Accr'ding to the question :-
• 0.255 × 100 = 255 = 255 %
Hence,
Option [ A. ] - 255 % is Correct.
~ Hope it helps!
To covert any decimal number,
Multiply the Decimal Number by 100, and put the " % " sign .
Accr'ding to the question :-
• 0.255 × 100 = 255 = 255 %
Hence,
Option [ A. ] - 255 % is Correct.
~ Hope it helps!
Answer:
Option B is the correct answer.
Explanation:
Current number of butterflies in the park = 20 thousand.
Rate of increase of butterfly population = 4% = 0.04
The population of butterfly after 1 year = 20+0.04*20 = 20*1.04
The population of butterfly after 2 years = 20*1.04 + 20*1.04*0.04 = 20*1.04*1.04
The population of butterfly after 3 years = 20*1.04*1.04 + 20*1.04*1.04*0.04 = 20*1.04*1.04*1.04
So, population of butterfly after n years = 20*(1.04*1.04*1.04* .... n times)
Option B is the correct answer.