Question

there were 127 more fiction books than non-fiction books at a sale.After 103 non-fiction books were sold and 50 more fiction books were added, there were thrice as many fiction books as non-fiction books. How many books were there at the sale at first?

Answer 1

127-Fiction more
103-non fiction (sold)
Added fiction-127 + 50 = 177
Fiction-3 non fiction-1
3u=177
1u=1/3 times177
=59
Total=59+177-50+103
=289
Im not sure if This is right