math

posted by .

Which property would allow you to use mental computation to simplify the problem 27 + 15 + 3 + 5?


1) commutative property of addition
2) distributive property
3) additive identity
4) additive inverse

  • math -

    mentally I would do it as
    27+3 + 15+5
    or
    30+20

    You decide which properties I used.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. math urgent

    which property is illustrated by the equation?
  2. math urgent

    which property is illustrated by the equation 3/2x+0=3/2x?
  3. Algebra

    55. Find the range of y = 2x + 1. a. all real numbers b. all positive numbers Not sure.. 67. Name the Property: -2 + (10+1) = (-2 + 10) + 1 a. Commutative Property of Multiplication b. Inverse property of addition c. Commutative Property …
  4. Algebra

    55. Find the range of y = 2x + 1. a. all real numbers b. all positive numbers Not sure.. 67. Name the Property: -2 + (10+1) = (-2 + 10) + 1 a. Commutative Property of Multiplication b. Inverse property of addition c. Commutative Property …
  5. Algebra

    55. Find the range of y = 2x + 1. a. all real numbers b. all positive numbers Not sure.. 67. Name the Property: -2 + (10+1) = (-2 + 10) + 1 a. Commutative Property of Multiplication b. Inverse property of addition c. Commutative Property …
  6. Math

    okay so i feel like a dummie for not knowing this but i need the answer FAST! Which property would allow you to use mental computation to simplify the problem 27 + 15 + 3 + 5?
  7. Pre-Algebra: HELP PLEASE

    I'm really bad at these, can someone help me PLEASE?
  8. maths

    Match them- a (a-b) is a rational number 1) distributive property b) a+0=0+a=a 2) associative property c) a*(b+c)=a*b+a*c 3) closure property d) a*b=b*a 4) commutative property e) a+(b+c)=(a+b)+c 5) additive identity
  9. math.

    Which property is shown by 4+(5+6)=(4+5)+6 ?
  10. Algebra 2

    Can someone help me with the following please What property is the following: a(b + 0) additive inverse property - this was confirmed from previous equation = a x b + a x 0 Distributive. (I think) = a x b + 0. Multiplication property …

More Similar Questions