a dealer buys 4 varieties of rice costing rs

a dealer buys 4 varieties of rice costing rs. 40,rs.50,rs.60 and rs.70 per kg in the ratio 4:5:3:2 and mixes all the four varieties and sells at 40% profit. What is the selling price per kg of rice?

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #54205