$4/3=$1.33 per pound.
$9/8 = $1.13 per pound.
The second one is cheaper.
You will need 89 drums to ship out 5,300 liters if each drum holds 60 gallons.
a} The image is congruent to the pre-image.
c} The image could be moved left or right.
d} The image could be moved up or down.