Answer:
c
Step-by-step explanation:
Answer: The numbers can be added in any order.
Step-by-step explanation:
To calculate the total time that Colin spent traveling from his house to the hotel the numbers can be added in any order because time is a scalar quantity. It cannot be negative.
A scalar quantity is the quantity which has only magnitude but not the directions. For example temperature (vector quantity), it can be both positive and negative but time cannot be negative, thus it is a scalar quantity.
This is a geometric series with first term 2 and common ratio -4. The general term of such a series (an) in terms of the first term (a1) and common rato (r) is written as
an = a1*r^(n-1)
The sum is the sum of such terms.
The cost of 12 units would be $614.40.
This is found by dividing $204.80 by 4 to get $51.20 (cost per single unit), then multiplying $51.20 by 12 to get $614.40 (cost for 12 units).
I hope this helps!
Let x be the original cost for the sofa.
X x (1 + 0.07) =3210
X = 3000
Now we know the cost for the sofa.
Let p be the profit percent.
3000 x (1 + p) = 3360
P = 0.12
So the percentage profit is 12%
