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受欢迎的 Word Problems >

a tailor has 20b yards of fabric how many full shirts can she complete if each shirt requires 2 3/(4) yards of fabric

解答

lcm

20 b, 2 \frac{3}{4}

解答

30 b

求解步骤

找到

20 b, 2 \frac{3}{4}

的最小公倍数

因式分解

20 b

2^{2} \cdot 5 \cdot b

分解

2 \cdot \frac{3}{4} : \frac{3}{2}

将最高次数乘以每个因数:

2^{2} \cdot 3 \cdot 5 \cdot \frac{1}{2} \cdot b

化简

30 b

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