Question

Which properties of real numbers are used below to find the sum using mental math?
15+2+25+18=15+25+18+2
=(15+25) + (18+12)
= 40 + 20
= 60
A) the Distributive and Associative Properties
B) the Commutative and Associative Properties
C) the Addition Property of Equality and the Commutative Property
D)the Distributive and Commutative Properties

Answer 1

please explain to me how to answer this

Answer 2

@dusty can you help?

Answer 3

@Hero

Answer 4

@myko

Answer 5

@saifoo.khan can you help?

Answer 6

B.) The Commutative and Associative Properties

Answer 7

thank you

Answer 8

np:)