Answer:
145
.8x = 116 (80% of class is 116)
x=145
Step-by-step explanation:
It is also the same as 8 to the power of 7
which looks something like this 8^7
you can also do it by doing 64×64×64×8
then do 64×64
multiply that answer by 64
multiply that answer by 8
this will work with any question and you can do it without a calculator and on paper.
Question:
Select expression that is mathematically equivalent to
a) 
b) 
c) 
d) 
Answer:
Step-by-step explanation:
Given
Required
Determine its equivalent
Start by writing y - z in bracket;
becomes
When - is used as divide, it is equivalent to /
The given expression can then be rewritten as
Hence;
<em /><em> is equivalent to </em><em />
Simple, first find a common denominator, 24.
So,
7/4*6= 42/24
and
5/6*6=30/24
Then just add,
42/24
+
30/24
Making it 72/24.
72/24=3
Thus, your answer is, 3.
Answer:
$85.50
Step-by-step explanation:
The Wholesale price is $57. Markup is 50% of the wholesale price.
50% of $57 is $28.50. Add $28.50 to the wholesale price of $57 and you get $85.50, which is the cost that the store charges it’s customers.
