Xiaogang's family spent 500 yuan on meals, 200 yuan on education and 500 yuan on other expenses last month. This month, the three expenses of Xiaogang's family increased by 10%, 30% and 5% respectively. What's the percentage increase of Xiaogang's total expenses this month compared with last month?

The total cost of Xiaogang family this month is 500 × 10% + 200 × 30% + 500 × 5% + 500 + 200 + 500 = 11.25% higher than that of last month

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