Current location - Training Enrollment Network - Mathematics courses - Mathematics examination questions and answers in Hunan senior high school entrance examination
Mathematics examination questions and answers in Hunan senior high school entrance examination
Set up x rental vehicles.

40x+30( 10-x)≥340,

16x+20( 10-x)≥ 170

The solution is 4≤x≤7.5.

∵x is an integer, ∴x can be 4, 5, 6, 7,

∴ There are four schemes, namely: A4B6A5B5A4A7B3.

(2) A 4 B 6 is the cheapest, and the cost is 18800 yuan.