Answer:
down below.
Step-by-step explanation:
20 × 400 = 8000
8000 - 7200 = 800
therefore the % mark up is 10%, because 10% of 8000 is 800.
800 + 7200 = 8000
Answer:
funny I have this question and I thought it was D
The simplified expression using the commutative property is :
+ 
<h3>Meaning of
commutative property</h3>
commutative property can be defined as a mathematics attribute that is possessed by a mathematical equation, that enables the objects undergoing addition or multiplication to change position.
In conclusion, The simplified expression using the commutative property is :
+ 
<h3>Analysis</h3>
4/3 + 3/4 + 2/3 = (
+
) +
=
+ 
Learn more about commutative property: brainly.com/question/1528288
#SPJ1
Answer:
D the horizontal cross-section of the pyramid and cone at the same height must have the same area