Answer:
I think its 6.25 (6 and 1/4) but I'm not a teacher or anything so it may be incorrect.
The quotient is 0.20125.
Solution:
Divide .03220 by .16
This can be written as

To divide this, we first remove the decimal term.
To remove decimal in denominator multiply and divide by 100.

Now, divide 3.22 by 16.
The quotient is 0.20125.
The image of the long division is attached below.
Answer:
x=4, y=-2
Step-by-step explanation:
-5x+8y=-36
5x+7y=6
eqn 1+ eqn 2 gives
15y=-30
divide both sides by 15
y=-2, put in eqn 2
5x+7(-2)=6
5x=20 divide both sides by 5
x=4
No of bacteria present at midnight. = 6700+1680=8380