P = kq/r
5 = k*1/2
k = 2*5 = 10
p = 5*10/50 = 1
P is 1.
Hope it helps!
1 km=0.621mi
xkm=106 mi
x=106/0.621=170.66
b is the answer
9/21 as the original
1/7 is the simplified version
1. sun gives warmth and the clothes will dry faster
2. the water from the clothes evaporates into the air -> air is moist -> more chance of mold in the room
