144 ft squared
Step-by-step explanation:
The answer is in the image
The total nom of code that can be used is equal to 5+3 = 8
The solution is in the following image
y=2x+15
where y=Value of coin
x=Age in years
Value of coin after 19 years=2*19+15
=$53
Therefore, Value after 19 years=$53
Salesperson will make 6% of 1800
=(6/100)*1800
=108
Salesperson will make $108 in $1800 sales
It will provide an instant answer!