Question 974588
{{{ 60 + 90 = 150 }}} total of exam questions
{{{ .4*150 = 60 }}} was the total number of questions she scored right
{{{ .3*60 = 18 }}} was the number of questions she scored 
right on paper 1
{{{ 60 - 18 = 42 }}} was the number pf questions she scored 
right on paper 2
{{{ 42/90 = 46.667 }}}
Her % score on paper 2 alone was 46.667%