Step-by-step explanation:
substitution:
7x-9= 3x-1
4x= 8
x=2
Answer:
The answer is C. 16
Step-by-step explanation:
Notepads of the same color = 4
As we have two sizes then total for the same color = 
Notepads of the different colors as we have to choose 3 different colors out of 4 = 4C3 = 4
For two sizes the total for the different color = 
We can group these like - Same size same color package:
There are eight combinations
Size 1:
BBB
GGG
YYY
PPP
Size 2:
BBB
GGG
YYY
PPP
Next groups form like : Same size different color
Size 1:
BGY
BYP
GYP
BGP
Size 2:
BGY
BYP
GYP
BGP
So, we get total =
<h3>The answer is :-</h3>
188,888,000
<h3>Explanation :- </h3>
We have to multiply 188,888 by 1000
so just add the zeros after 188,888
Minus 2 from bothsides
f-2=3g
divide both sides by 3
(f-2)/3=g
g=(f-2)/3