I believe it is just 2/3. Sorry if I am wrong!
Answer:
6:59
Step-by-step explanation:
Let X be the number of hours she worked per week, and Y be number of bouqet she arranged in whole week, and Z be the bonus for one bouqet
Then 7,5*x+Y*Z=payment for one week.
Let's calculate for the tablespoons of sugar to tablespoons of milk ratio for Mark, Sharri and Eve.
Mark: 3/2 = 1.5
Sharri: 4/3 = 1.3
Eve: 9/6 = 1.5
From the solution, Eve has an equivalent ratio to that of Mark's.