Answer:
40 mins
Step-by-step explanation:
33/60 = 0.55
22/0.55 = 40
Answer:
The probability of cured people in who took the remedy is 8/9.
Step-by-step explanation:
Success rate of the cold remedy = 88%
The number of people who took the remedy = 45
Now, 88% of 45 = 
and 39.6 ≈ 40
So, out of 45 people, the remedy worked on total 40 people.
Now, let E: Event of people being cured by cold remedy
Favorable outcomes = 40

or,
= 
Hence, the probability of cured people in who took the remedy is 8/9.
I hope this helps u
And others if ur searching for
7/8 = 0.875 is the decimal equivalent.
Solution= x=5
Alernative form= 21 x - 105= 0<span />