The news listed that the average price of a gallon of gasoline in a city is $3.20 with a 25% margin of error. What is the maximum average cost of a gallon of gasoline?
$480

to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

the answers might not be correct use at own risk

ratio is 2 : 9

the answer is three

13.5 : 3