Answer:
8 sand bags
Step-by-step explanation:
300 - 140 = 160
160 ÷ 20 = 8
8 sand bags of 20-pounds each.
1.4 is the slope
comment if you want me to explain
I have no idea
5xt789v
220
plug it into surface area formula for rectangular prisms
A=2(wl+hl+hw)