Question

a
n 30. 18 men can complete a one-third of
n work in 20 days. In how many days can 12
men complete the half of the entire work?
b. 30 days
a. 90 days
c. 60 days
d. 45 daystfyxda5u8​

Answer 1

Explanation:

$\frac{ \frac{1}{3} }{18 \times 20} = \frac{ \frac{1}{2}}{12 \times x}$

$\frac{1}{18 \times 20 \times 3} = \frac{1}{12 \times 2 \times x}$

$1 = \frac{18 \times 20 \times 3}{12 \times 2 \times x}$

$x = 45 \: days$

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