Question

sat数学题 求解

sat数学题 求解Prachi needs between 240 and 260 total feet of fence panels. The home improvement store has 24 short( 6-foot) fence panels and 28 long (8-foot) fence panels in stock. Which of the following combinations of fence panels could she buy?
A. 6 short fence panels and 26 long fence panels
B. 8 short fence panels and 23 long fence panels
C. 27 short fence panels and 12 long fence panels
D. 30 short fence panels and 10 long fence panels

Answer 1

需要的护栏板长度为：240～260英尺

商店有售的护栏板有两种类型：短板（每块6英尺）24块，长板（每块8英尺）28块

答案：

A，6＊6+8＊26=244（正确答客）

B，6＊8+8＊23=232〈 240（不合格）

C，短板超量

D，短板超量

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