Question
There were twice as many apples as oranges in a fruit stall. After 15 oranges were sold, there were thrice as many apples as oranges. How many apples were there in the stall at first?
Answers
a = 2o
a = 3(o-15)
so o=45 and a=90
a = 3(o-15)
so o=45 and a=90
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