Answer:
$100
Step-by-step explanation:
40x30=1200
1200/12=100
Answer:
Step-by-step explanation:
55%
I think what the teacher wants to express is that SI units are much more convenient to use than English units because the prefixes of the metric system will give you an idea on the conversion factor. Unlike English units, like ft to yard, there is no prefix to help you. You have to know the fact that 1 yard is equal to 3 feet.
Answer:

Step-by-step explanation:
We have to simplify the following expression as given by

= 
=
( Answer )
Because, we know that
and 
If we consider
and
,
then 
Answer:
X= -3
Step-by-step explanation:
(4+5)-1/3(40-4)=X
X=9- 1/3(36)
X=9-12