The best thing to do is to find the cost of one sweet, and to do this, divide 42 by 7.
42/7= 6
Therefore, one sweet costs 6p.
To find the cost of 8 sweets, you've got to multiply 6 by 8, and this gives you 54p.
Therefore, 8 sweets cost 54p
Hope this helps :)
The difference is 4/5 - 3/8 = 17/40
38.75 to one decimal place is 38.8
Answer:
The number of graduate students attend university A is 
Step-by-step explanation:
Consider the provided information.
We need to determine how many graduate students attend university A?
The number of undergraduate students was n.
The number of graduate students was approximately 25,000 fewer than the number of undergraduate students.
Let G represents the number of graduate student.

Hence, the number of graduate students attend university A is 
Forgive me if I am wrong but it should be 15 hours. If she only studies 1/3 an hour a night it would take 3 1/3 nights so you'd just multiply 3 by 5. If that makes any sense. Sorry not to good at explaining things ;(