a)ile to złotych:75gr, 9zł i 8gr,1602gr,132 250gr.
75gr=75*0,01zl=0,75zl
9zl 8gr=908gr=908*0,01zl
1602gr=1602*0,01zl=16,02zl
132250gr=132250*0,01zl=1322,50 zl
b)
Ile to godzin; 90min,2h 15min,105min,jedna piąta doby.
90min=90*\frac{1}{60}h=\frac{3}{2}h=1\frac{1}{2}=1,5h
2h15min=2\frac{1}{4}h=2,25h
105min=105*\frac{1}{60}h=\frac{7}{4}h=1\frac{3}{4}=1,75h
\frac{1}{5}*24h=\frac{24}{5}h=4\frac{4}{5}=4,8h