Answer:
The population changed by 20% in 3 years
Step-by-step explanation:
The percentage change, is given by the following equation;

The given parameters are;
The initial population of the town = 35,000
The final population of the town = 42,000
The percentage change in the population is therefore;

The population changed (increase) by 20% in 3 years.
Answer:
29
Step-by-step explanation:
Total marble = 36
Let red marbles be X
Then green marble is 4X + 1
And 4X + 1 + X = 36
5X = 36 - 1
5X = 35
X = 35/5 = 7
So, green marbles = 4X + 1
= 4(7) + 1
= 29
Answer:
Step-by-step explanation:
That would be 1925 ( 15 + 05 = 19 and 10 + 15 = 25)
The answer is B.
If he earns $x in one week, then you need 2x to calcualte 2 weeks, add that with his allowance and there you have it.