Alyosha had 1500 rubles. He bought 26 batteries on 43 rubles, and then returned to shop of 8 faulty batteries and received for them money. How many as a result at it did remain money?

231
1) 1500-43=1463 2)26-8=16 3)26-16=10 1) bought 26-8=18 (pieces) as a result. 2) 18*43=774 (rub) cost 18 pieces 3) 1500-774=726 (rub) remained as a result. As a result Alyosha had 726 rubles.
224
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