Question 707225


first test: {{{77}}}

second test: {{{76}}} 

third test: {{{x}}}

she wants an avg. of at least {{{79}}}

so, {{{(77+76+x)/3=79}}}

{{{77+76+x=79*3}}}

{{{153+x=237}}}

{{{x=237-153}}}

{{{x=84}}}....possible scores can she make on her third test are {{{84}}} or greater