-50km/hr
42!!!!
#WhyDoesAMathForumCare
And literally, just ignore him. You are making a bigger deal out this than his own comments.
So, we need to find the volume.
Convert to similar units
12 yards by 8 yards by .25 yards
Multiply together, assuming it is a block patio
13*8*.25 = 26
So 26 yards cubed.
26*55 = 1430
$1,430