Answer:
Step-by-step explanation:
Given
-- Initial population
--- Rate
Required
Determine the population in 8 years
The question shows an exponential distribution and the final population will be calculated using:
Where x is the number of years.
So, we have:
Convert % to decimal
(b) is correct
Answer:
2.1 yards of blue material will she need.
Step-by-step explanation:
As per the given statement: Sue buys material for a costume she buys 1.75 yards of red material.
As she bought 1.75 yards of the red material.
For blue material she bought 1.2 times as much as yard of the red material.
"times" represents multiply
Blue material she will need =
therefore, 2.1 yards of blue material will she need.