Answer: 
Step-by-step explanation:
Here, According to the question, The population of the world is 4 billion (approx).
Again According to the question, The world's population has grown at an average rate of 1.9 percent per year since 1945.
Therefore, after 1975 the growth rate will remains same.
Thus, the population of the world after t years,
(By the formula 
)
⇒
Where 1.019 is the growth rate and 4 billion is the initial population.
Answer:
Luka had 6 slices, Kira had 9 slices and Ali 12 slices
Step-by-step explanation:
Each had 2/3 of their slices hence
Luka = 3/2 x 4 slices = 6
Kira = 3/2 x 6 slices = 9
Ali = 3/2 x 8 slices = 12
Answer:
108 = x
Step-by-step explanation:
multiple both sides by 24 and simplify
9 x 24 = 216/2=x
108 = x
Answer:
17.5 litres
Step-by-step explanation:
1000 mililitres = 1 litre
17500 mililitres = 17.5 littes
Answer:
The original number of oranges purchased is 260
Step-by-step explanation:
Let the original number of oranges purchased be x
We are given that The number of oranges a grocery store bought this year was 15% more than the number of oranges bought last year.
So, Oranges bought this year = 
We are given that This year the store bought 299 oranges.
So, 
x=260
Hence the original number of oranges purchased is 260
