c) c x3= 924
c= 924 : 3
c= 308
d) 492: d= 8 rest 4
492= 8 x d +4
488= 8 x d
d= 488:8
d= 61
[tex]e) \frac{2}{15} + \frac{9}{15} + e = 1[/tex]
[tex] \frac{11}{15} + e = \frac{15}{15} [/tex]
[tex]e = \frac{15}{15} - \frac{11}{15} [/tex]
[tex]e = \frac{4}{15} [/tex]
[tex]g)g - \frac{10}{4} = \frac{10}{4} [/tex]
[tex]g = \frac{10}{4} + \frac{10}{4} [/tex]
[tex]g = \frac{10 + 10}{4} [/tex]
[tex]g = \frac{20}{4} = 5[/tex]