Arjun used the commutative property to simplify this expression with mixed numbers. 5 5/6 + 2 2/3 + -1/6 - 2 2/3

5 5/6 + (-1/6) + 2 2/3 + (-2 2/3)

whats the final answer ?

A. 4

B. 5 2/3

C. 6

D. 6 2/3

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?

Emily is entering a bicycle race for charity. her mother pledges $0.90 for every 0.75 mile she bikes. if emily bikes 18 miles, how much will her mother donate?

Hey hotel charges guests $19.75 a day to rent five video games at this rate which expression can be used to determine the charge for renting nine video games for one day at this hotel? pls