Question

2. 某建筑工地使用大小卡车若干辆将580吨的沙土运走.已知大卡车的载重量是10吨,小卡车的载重量是6吨

Answer 1

大卡车X+2辆 小卡车X辆

=>10(X+2)*5 +6*X*5=580

=>50(X+2)+30X=580

=>5(X+2)+3X=58

=>8X+10=58

=>8X=48

=>X=6 =>大卡车8辆 小卡车6辆...ANS