Question 954896


if {{{64}}} questions answered correctly and got {{{80}}}% right , then


{{{80}}}%  of {{{x}}} is equal to {{{64}}}:

{{{(80/100)x=64}}}

{{{4x/5=64}}}

{{{4x=64*5}}}

{{{4x=320}}}

{{{x=320/4}}}

{{{x=80}}} => there was {{{80}}} questions on the test