The answer is 64!
hope this helps youu!!
60/ (30/100)
= 60* (100/30)
= 200
The final answer is 200~
we are given
the boat speed is 32 kilometers per hour
so, speed is

the seine has a length of 764 kilometers but only 547 kilometers
so, the distance is

now, we can find time

now, we can plug values
and we get
.................Answer
Hello :
x²-x-2 = (x+1)(x-2)
x²-x-2 = 0 : x+1 =0 or x-2 = 0
x= -1 or x= 2 are the zero of f(x)