RS - x
RQ = 0.23x
QS = RQ + 16.2
RS = RQ + QS
x = 0.23x + 0.23x + 16.2
x-0.46x = 16.2
0.54x = 16.2
x = 16.2 / 0.54
x = 30 см
RS - x
RQ = 0.23x
QS = RQ + 16.2
RS = RQ + QS
x = 0.23x + 0.23x + 16.2
x-0.46x = 16.2
0.54x = 16.2
x = 16.2 / 0.54
x = 30 см