For the answer to the question above, it is -18% because to find rate we subtract the rate, in this case, is .82 or 82% - 1 or 100% and that would give you the rate, in this case, its decreasing by an 18%
I hope my answer helped you.
Let x = the number
.05 = .1x
5/100 = (1/10)x Multiply both sides by 10.
5/10 = x
1/2 = x
Hope this helps!
The sum of f and 6 is simply f+6.
It is like this because f is a variable and we do not know its value.
120 minutes
because the experienced worker would take 20*3= 60 minutes (3 walls)
and the inexperienced worker would take
60 minutes (1 wall)
60+60=120