It would not pass under the bridge because ig you divide 162 by 12 it would equal 13.5
3/20T of mulch. Each Flower bed will contain 3/20 tons of mulch
3x+2y=9
3x+2(4x-1)=9
11x-2=9
+2 +2
11x=11
X=1
Y=4x-1
Y=4(1)-1
Y=3
Yes bc it swims 69 miles per hour, so its always porportional