Question 16
An has 150,000 VND saved in his piggy bank from New Year lucky money. During the 10-day Tet holiday, An’s mother offers a reward: for each day he helps her with housework, he receives an extra 5,000 VND. An spent 3 days visiting his grandparents and could not help his mother, but on the other days he earned the reward. How much money does An have in his piggy bank after the holiday? Give the amount in VND.