Question 960251

If there is {{{17}}} questions on a quiz

if you got a {{{90}}}% correct, then you got {{{10}}}% wrong

find how many did you get wrong: {{{10}}}% =>{{{10/100=0.90}}} of  {{{17}}}

which is {{{17*0.10=1.7}}}

and, how many you got correct:

{{{90}}}% =>{{{90/100=0.90}}}

{{{17*0.90=15.3}}}