Answer: 
Step-by-step explanation:
Given
Shopkeeper allows 15% discount on the marked price and still manages a profit of 7%
Suppose the marked price is 
So, the selling price is 
Suppose the cost price is 

So, the percentage the shopkeeper marked his goods above cost price

Answer:
14.25 hours
Step-by-step explanation:
Four tires = 3/4 of an hour
=> 1 car = 3/4 of an hour
=> 19 cars = ?
=> If 1 = 3/4
=> 19 = 3/4 x 19
=> 3/4 x 19
=> 57/4
=> 14.25 hours
So, it would take 14.25 hours for 19 car's tires to be changed.
Answer:
It is supposed to predict the points, or the correlational relationship between variables.
Step-by-step explanation:
Answer:
0.585
Step-by-step explanation:
P(A|B) = P(A∩B) / P(B)
P(A|B) = 0.415 / 0.71
P(A|B) = 0.585