Mathematical life application problems

1. On Children's Day, Mr. Wang went to the grocery store to buy candy. He happened to have only 20 kilograms of chocolate candy, or only 30 kilograms of cream candy. After calculation, Mr. Wang decided to buy 8 kilograms of chocolate candy first and the rest of the money to buy milk candy. How many kilograms of toffee can he buy?

2. A bus and a borrowed car leave from both parties at the same time. The speed of the loan car is 4/5 of that of the bus. After the loan car traveled all the way 1/4, it met the bus 28 kilometers away. How many kilometers is it between Party A and Party B?

3. One group has 12 people. A math exam, Xiaohua was ill and didn't come. The average score of other students is 85. After Xiaohua made up the exam, his score was 5.5 points higher than the average score of 12. How many points did he get?

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