Xiao Qiang's family of three went to Jiuzhaigou with a tour group. Xiao Qiang made the following travel expense statistics: (1) What part of the expenses?

(1) Shopping; (2)2880 yuan; ③4320 yuan

Test and analysis: (1) According to the central angle of shopping expenditure in the department statistical chart, the result can be obtained;

(2) According to the percentage of accommodation expenses in the fan-shaped statistical chart, the result is obtained;

(3) According to the percentage of travel expenses in the departmental statistical chart, the result is obtained.

( 1)90 ÷360 =25%

A: the cost of shopping accounts for the whole expenditure;

(2)9600×30%=2880 yuan

Answer: Accommodation costs 2880 yuan;

(3)9600×( 1-30%-25%)=9600×45%=4320

A: The round-trip fare for the Xiao Qiang family is * * * 4,320 yuan.

Comments: The key to answer this question is to master the characteristics of the sector statistical chart: the sector statistical chart directly reflects the percentage of parts in the whole.