Respuesta :

is/of        %/100
/'s are fractions
hope this helped......
dozen=12
2/12=1/6

percent means parts out of 100
x/100
1/6=x/100
tiems both sides by 600
100=6x
divide both sides by 6
16.666666=x
about 17% were cracked
so then about 83% were NOT cracked