Lee is sending out 32 birthday party invitations. she gives 5 invitations to her mom to give to family members. lee mails a third of the rest, and then she takes a break to walk her dog.
a. write a numerical expression to describe how many invitations lee has already mailed. b. which expression matches how many invitations still need to be sent out?
1) 32 - 5 - 1/3(32 - 5)
2) 2/3 x 32 - 5
3) (32 - 5): 1/3
4) 1/3x(32-5)

(a) ; 9 mails.

(b) (1).

Step-by-step explanation:

We have been given that Lee is sending out 32 birthday party invitations. She gives 5 invitations to her mom to give to family members. The invitations left after 5 invitations would be .

Lee mails a third of the rest. The number of invitations sent by Lee would be .

Therefore, Lee has already mailed 9 invitations.

(b). To find the number of invitations that still need to be sent out, we will subtract the number of mails sent by Lee and her mother from 32 invitations.

Therefore, our required expression would be and 1st option is the correct choice.

7. d. 64

8. i. 32

9. c. 125

10. j. none of the above

11. d. 81

12. i. 216

13. e. none of the above

14. g. 240

15. e. none of the above

16. g. 32

17.   e. none of the above

-12 > a

step-by-step explanation:

-11 > 1 + a

subtract 1 from each side

-11-1 > 1-1+a

-12 > a