Respuesta :

15% of 860 is 129

Convert your percentage into a decimal:
[tex] \frac{15}{100} = 0.15[/tex]

Divide 129 by your decimal:
[tex]129 \div 0.15 = 860[/tex]
is/of = %/100
fill in the terms you do know
129/of = 15/100
860 = of
15% of 860 is 129