Simple Interest , I = PRT/100
Where P = Principal, R = Rate, T = Time in years
Time, T = (100*I)/(P*R)
T = 100* 84 / (600 * 7) Use your calculator
T = 2
Time is 2 years.
Answer:

Step-by-step explanation:
See attachment for complete question


From the question, we understand that one shrub must be at both ends.
Taking the first as a point of reference, we're left with:

Substitute 10 for n and d for distance



Hence:
answers the question
The answer of the question is 'b'.
Answer:
20%
Step-by-step explanation:
To find the percent decrease, we do old number subtracted from the new numbers over old.
We do
40 - 32 = 8
Then we put the 8 over the old and get
8/40
In percentage form it would be 20%