|
|
|
To estimate, multiply 40 gallons times $2 per gallon. You know 4 x 2=8, so 40 x 2=80.
How's that compare to the real numbers? Not a bad estimate! |
|
|
|
|
To estimate, multiply 40 gallons times $2 per gallon. You know 4 x 2=8, so 40 x 2=80.
How's that compare to the real numbers? Not a bad estimate! |
