B=-2, all of my steps and answer are listed in this pic
Answer:
x = 4 in
Step-by-step explanation:
scale factor of reduction is
=
, thus
x =
× 12 = 4
I think it's 2 because crossing things out as if it were in a line is 0 and 4. 4/2 is 2
Answer:
The volume of paint that covers the whole car is
gallons or one and a quarter gallons.
Step-by-step explanation:
Let the volume of paint required to cover whole car be 'x'.
Given:
Volume of paint to cover one-fifth of a car = one-fourth of a gallon.
We use unitary method to determine the volume of paint required.
∵ One-fifth of a car requires paint = 
∴ Whole volume of car requires paint = 

Therefore, the volume of paint that covers the whole car is
gallons or one and a quarter gallons.