Answer:
10%
Step-by-step explanation:
20%=20/100=0.20
75$x.0.20=15$
The price when she received a 20% discount was:
75$-15$=60$
Then, the web site applied a 10% service fee to the discounted price, so you have:
10/100=0.10
75$x0.10=7.5$
60$+7.5$=67.5$
So, if 75$ is the 100% of the price, what percentage represents 67.5$?
75$--------100%
67.5$------x
x=67.5 x 100/75
x=90%
Then,
100%-90%=10%
<u>Options</u>
![(A)\left(-\infty , \dfrac23\right]\\\\(B)\left(-\infty , \dfrac23\right) \\\\(C)(\frac23\right, \infty ) \\\\(D) [\frac23\right, \infty )](https://tex.z-dn.net/?f=%28A%29%5Cleft%28-%5Cinfty%20%2C%20%5Cdfrac23%5Cright%5D%5C%5C%5C%5C%28B%29%5Cleft%28-%5Cinfty%20%2C%20%5Cdfrac23%5Cright%29%20%5C%5C%5C%5C%28C%29%28%5Cfrac23%5Cright%2C%20%5Cinfty%20%29%20%5C%5C%5C%5C%28D%29%20%5B%5Cfrac23%5Cright%2C%20%5Cinfty%20%29)
Answer:
Step-by-step explanation:
Given the solution to an inequality
{x|x>2/3}
The solution set does not include 
, therefore, it must be open at the left. Recall that we use a curvy bracket ( to denote openness at the left.
Since x is greater than , the solution set contains all values of larger than up till infinity. Since infinity is an arbitrarily large value, we also use an open bracket at the right.
Therefore, another way to represent the solution {x|x>2/3} is:
The correct option is C.
To represent 2/10 it can be 0.20 or 0.2
Answer:
71/40
Step-by-step explanation:
7/5*8/8=56/40+3/8*5/5= 15/40 so 15/40+56/40=71/40
The answer for 6440/28 is 240.
