Question

HELP 100 POINTS

A family of two adults and three children went to a water park. Admission to the water park costs $18 per person. Nora used the expression 2(18)+3(18) to model the total cost for the family, and Alex used the expression 5(18). Which property of operations makes both of their expressions correct?
associative property
commutative property
distributive property
identity property

Answer 1

distributive property

Explanation:

Answer 2

distributive property

Explanation:

5(18)=2(18)+3(18)

Distributive property

c(a+b) = ca+cb

We are using the left hand side and adding a+b

18(2+3) = 2* 18+ 3*18

18*5 = 2* 18+ 3*18