Simple....
to find the answer to this use these two formulas...
Markdown= New-Old
Markdown%=

In this problem:
440-154=286
Markdown%=

Markdown%=0.65*100
Markdown%=65%
Thus, your answer.
Answer:
10^2
Step-by-step explanation:
Answer:
f=3n, where n is the number of cakes.
Step-by-step explanation:
Yes, the equation f=3n, where n is the number of cakes, models the situation.
Answer:
No.
Step-by-step explanation:
First solve for y:-
x - y^4 = 1
y^4 = x - 1
y = +/- (x - 1)^(1/4)
This is a one-to-many relation . For a given value of y there 2 values of x.
So this is NOT a function.