Answer:
x= - 1/c
Step-by-step explanation:
I am very confused on what you mean
59.99 - 59.99 x saving rate = 42.89
with saving rate = r%
59.99 - 59.99 x r% = 42.89
so 59,99 ( 1 - r%) = 42.89
1 - r% = 42.89 : 59.99
1 - r% = 0,7150
r% = 1 - 0,7150
r = 28,5%
T shirt would be $3.60
The hat is $90
If 0.75 cups = 20 cookies
0.375 cups = 10 cookies
1.875 cups = 50 cookies