SOLUTION: Two examination papers paper 1 and paper 2 were marked out of 60 and 90 respectively. A girl scored 40% of the total marks. If she scored 30% in paper one alone, what was her perce

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Question 974588: Two examination papers paper 1 and paper 2 were marked out of 60 and 90 respectively. A girl scored 40% of the total marks. If she scored 30% in paper one alone, what was her percentage score in paper 2 alone?
Answer by josmiceli(19441) About Me  (Show Source):
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+60+%2B+90+=+150+ total of exam questions
+.4%2A150+=+60+ was the total number of questions she scored right
+.3%2A60+=+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%2F90+=+46.667+
Her % score on paper 2 alone was 46.667%