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Phổ biến Word Problems >

You type 168 words in 3 1/2 minutes. How many words do you type per minute?

Lời Giải

lcm

168, 3 \frac{1}{2}, d o

Lời Giải

84 d o

Các bước giải pháp

Tìm Bội Số Chung Nhỏ Nhất của

168, 3 \frac{1}{2}, d o

Hệ số

168

2^{3} \cdot 3 \cdot 7

Hệ số

3 \cdot \frac{1}{2} : \frac{3}{2}

Nhân từng thừa số với lũy thừa cao nhất:

2^{3} \cdot 3 \cdot 7 \cdot \frac{1}{2} \cdot d o

Rút gọn

84 d o

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