If 1 dozen bread rolls cost R10, how much will 4 bread rolls cost

R3.33333333

1 dozen is equal to 12 bread rolls so divide R10 to 12 bread rolls to arrive at cost per 1 bread roll. Then, multiply it to 4 pieces.

Skew lines(segments) are lines(segments) in 3 dimensions that do not intersect the given segment and are not parallel to it.  ae, bf, eg, and fh are your skew segments.  i hope that : )