试题与答案

用价值100元的甲种涂料与价值240元的乙种涂料配制成一种新涂料，其每千克售价比

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题型：填空题

题目：

用价值100元的甲种涂料与价值240元的乙种涂料配制成一种新涂料，其每千克售价比甲种涂料每千克售价少3元，比乙种涂料每千克的售价多1元，求这种新涂料每千克的售价是多少元？若设这种新涂料每千克的售价为x元，则根据题意可列方程为______．

答案：

由题意可得甲涂料的单价是x+3，乙涂料的单价是x-1，则

100
x+3
+
240
x-1
=
100+240
x
．

故答案为：

100
x+3
+
240
x-1
=
100+240
x
．

考点：分式方程的应用
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