Answer:
32 days
Step-by-step explanation:
Men. Hours. Days
30. 6. 56
45 7. X
More men less hours: inverse relation, switch the fraction 30/45 to 45/30.
More hours less days: inverse relation, 6/7 switch to 7/6.
(45/30)*(7/6) = 56/x
7/4 = 56/x ( cross multiplication)
7x = 4*56
x = 224/7
x = 32
