The selected text shows that the person spent 407500 Alaska miles, 156945 Southwest points, 5500 United miles and 6500 Avianca miles on their flights. The total number of miles spent is 581445. However, not all miles are equal in value. According to some sources, the average value of one mile is about 1.3 cents for Alaska, 1.5 cents for Southwest, 1.4 cents for United and 1.6 cents for Avianca. Therefore, the total value of the miles spent is about $7989.71.
The selected text shows that the person spent 407500 Alaska miles, 156945 Southwest points, 5500 United miles and 6500 Avianca miles on their flights. The total number of miles spent is 581445. However, not all miles are equal in value. According to some sources, the average value of one mile is about 1.3 cents for Alaska, 1.5 cents for Southwest, 1.4 cents for United and 1.6 cents for Avianca. Therefore, the total value of the miles spent is about $7989.71.
原来他以前积累了很多里程，用来兑换机票。这些里程大约价值$7989.71.但即使每趟飞机也就50多美元，还是不对劲。