Answer:
The nail would be 30 feet above the ground in 10 years.
Step-by-step explanation:
We are given the following in the question:
Height of nail = 10 feet.
The tree grows taller at a rate of 2 feet per year.
Thus, the height of nail can be represented by a linear function:

where t is the number of years.
We have to find the height of nail in 10 years.
Putting t = 10, we get,

Thus, the nail would be 30 feet above the ground in 10 years.
Answer:
a) Steve
b)0.3
Step-by-step explanation:
1 1/5 is 1.2
1.5 - 1.2= 0.3
(X*1.25)*0.9=30.78
1.125X=30.78
X=30.78/1.125
X=27.36
Wholesale price was $27.36