am pus un atașament cu întrebarea

Răspuns:
x/4 - luni
⁴⁾x-x/4=3x/4 rest
3x/4·3/6=(9x/24)⁽³=3x/8 - marti
⁸⁾x-(²⁾x/4+3x/8)=8x/8-(2x/8+3x/8)=3x/8 noul rest
3x/8·1/2=3x/16 miercuri
⁴⁾x/4+²⁾3x/8+3x/16+¹⁶⁾57=¹⁶⁾x
4x+6x+3x+912=16x
912=16x-13x
x=912:3
x=304 pagini are cartea