Try to get the u’s on one side so for this to happen, you would subtract the four from both sides.
u - 4u = 7 - 4
combine like terms
-3u = 3
divide by -3
u = -1
(3/5)(2/5)=6/25
.............................
The correct first step in finding the area of a base of a cylinder is to find the length of radius of the circular base.
Days in a week n(S)=7
DAYS to not getting monday n(M)=6
probability P(M)=n(M)/n(S)
=6/7(ans)