题目
4 mat-weavers can weave 4 mats in 4 days. At the same rate, how many mats would be woven by 8 mat-weavers in 8 days?
解析
设所需的瓶数为\( x \)。
- 织工越多,垫子越多(正比例)
- 天数越多,垫子越多(正比例)
织工数量与天数的比例关系为:\( 4:8 \)(织工)和\( 4:8 \)(天数),对应垫子数量的比例为\( 4:x \)。
列比例式:
\[ 4×4×x = 8×8×4 \]
解得:
\[ x = \frac{8×8×4}{4×4} = 16 \]