1.Jakim procentem liczby "a" jest liczba "b" , jeśli: a) a=40 i b=25 , b)a=30 i b=6 , c) a=15 i b=12 , d)a=8 i b=3 e)200 i b=17 , f)a=250 i b=33 , g)a=70 i b=21 , h)a=144 i b=63
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a)25/40=5/8=0.625=62,5%
b)6/30=1/5=0.2=20%
c)12/15=4/5=0.8=80%
d)3/8=0.375=37.5%
e)17/200=0.085=8,5%
f)33/250=0.132=13,2%
g)21/70=3/10=0.3=30%
h)63/144=21/48=0.4375=43.75%