Answer:
20 days
Step-by-step explanation:
2.750389 x 10^6
{x : x ε Z where x<3 & x>4}
20
Since chord AB and DE are at equal length from the centre, they are equal in length.
AB = DE
3x-7 = 5(x-5)
3x-7 = 5x-25
-7+25 = 5x -3x
18 = 2x
Dividing both side by 2
x = 9
Now
AB = 3(9)-7
= 27 -7
= 20