Answer:
Step-by-step explanation:
7-x=-2
-x=-2-7
-x=-9
x=9
1 hour = 60 minutes
1 hour:45 minutes
= 60 minutes:45 minutes
=12 minutes:9 minutes
It would be ten because 40 divided by 4 is ten
Answer:

Step-by-step explanation:
Let
n------> the denominator of the quotient
we know that

Solve for n

