Answer:
50
Step-by-step explanation:
50$ because 20$ is 40%, so times that by 2 which you get 20$ and 80%. Then you divide 20 by 2 then you get 10 which is 20% so you add 10 and you get 50$ which is 100%
The inverse of it is the inverse of that & thing u know
Answer:
67
Step-by-step explanation:
(4*100)/6
=400/6
=66.67
Round to get 67
The manager’s likely error was forgetting to add the $2 back to the $18. Because $2 is roughly 11% of $18 for a markup you need to add the $2 back into the $18 for a total of $20.
Answer: 3/8
Step-by-step explanation:
Formula is,
P(A|B) = P(A and B) / P(B)
= (3/10) / (4/5)
= 3/8