Answer:

Step-by-step explanation:
This is a compound interest formula expressed as:

Where
is time in years
is the rate of interest
is the accumulated amount after n years
is the initial amount.
#We substitute the given values to determine amount after n years as follows:

Hence, the amount earned after n years of her career is given by 
900. You round up, because it is above 850. :-)
Answer:
Step-by-step explanation:
She gave out three dozen and she had six dozen so she has three dozen left three dozen 3 * 12 she has 36 cookies
Answer:
158.12
Step-by-step explanation:
67% can be written as 0.67.
Multiply:
0.67 × 236 = 158.12