Write each of the following as percent:
(i) $\frac{7}{25}$
(ii) $\frac{14}{625}$
(iii) $\frac{5}{8}$
(iv) 0.8
(v) 0.005
(vi) 3 : 25
(vii) 11 : 80
(viii) 111 : 125
(ix) 13 : 75
(x) 15 : 16
(xi) 0.18
(xii) $\frac{7}{125}$
(i) $\frac{7}{25}=\frac{7}{25} \times 100$
$=\frac{700}{25}=28 \%$
(ii) $\frac{14}{625}=\frac{14}{25 \times 25} \times 100$
$=\frac{1400}{625}$
$=2.24 \%$
(iii) $\frac{5}{8}=0.625 \times 100$
$=62.5 \%$
(iv) $0.8=\frac{8}{10} \times 100$
$=80 \%$
(v) $0.005=0.005 \times 100$
$=0.5 \%$
(vi) $3: 25=\frac{3}{25} \times 100$
$=\frac{300}{25}$
$=12 \%$
(vii) $11: 80=\frac{11}{80} \times 100$
$=\frac{1100}{80}$
$=13.75 \%$
(viii) $111: 125=\frac{111}{125}$
$=0.888 \times 100$
$=88.8 \%$
(ix) $13: 75=\frac{13}{75}$
$=0.1733 \times 100$
$=17.33 \%$
(x) $15: 16=\frac{15}{16}$
$=0.9375 \times 100$
$=93.75 \%$
(xi) $0.18=\frac{18}{100}$
$=\frac{18}{100} \times 100$
$=18 \%$
(xii) $\frac{7}{125}=0.056$
$=0.056 \times 100$
$=5.6 \%$