This problem can be solved using dimensional analysis.

Answer:
Grayson's party will cost $516.
Step-by-step explanation:
Start with putting a unit rate for money per person
60/10
Divide by 10
6/1 (6$ per person)
Then multiply by 86 (# of guests attending)
86 x 6 = 516
Answer:
-8.95 ,, -8.36 ,, 7/28 ,, 8 22/40
Step-by-step explanation:
The bill was actually $25 and the waiter kept $2 so 25 + 2 = $27
$27 / 3 people = $9 per person.
They each originally paid 10, but were given 1 back: 10 - 1 = 9, so they each ended up paying $9 each.. there is no extra dollar.
The first one is 4, the second one is 30, and the third one is 48. If you get a number from the sugar you divide it by three, and if you get a number from the flour you multiply it by three