2. 外语
  3. The fabric needed to make 3 curtains sells for $8.00 per yard and can be purchased only by the full yard. If the length of fabri

The fabric needed to make 3 curtains sells for $8.00 per yard and can be purchased only by the full yard. If the length of fabri

admin2014-08-13  61
问题 The fabric needed to make 3 curtains sells for $8.00 per yard and can be purchased only by the full yard. If the length of fabric required for each curtain is 1.6 yards and all of the fabric is purchased as a single length, what is the total cost of the fabric that needs to be purchased for the 3 curtains?
选项 A、40
B、38.4
C、24
D、16
E、12.8
答案A
解析 Since 1.6 yards of fabric are required for each curtain, it follows that(3)(1.6), or 4.8, yards of fabric are required to make the 3 curtains. The fabric can be purchased only by the full yard, so 5 yards of fabric would need to be purchased. Since the fabric sells for $8.00 per yard, the total cost of the fabric is $40.00. The correct answer is Choice A.
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