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 - 53) (32 - 5):1/34) 1/3x(32-5)

Answer:a. [tex]\frac{1}{3}(32-5)[/tex]b. [tex]32 - 5 - \frac{1}{3}( 32 - 5 )[/tex] Step-by-step explanation:a. Given,The total invitation to send out initially = 32,The number of invitation send to mother = 5,So, remaining invitation = 32 - 5Again, the invitation which are already mailed = 1/3 of the remaining invitation,[tex]=\frac{1}{3}(32-5)[/tex]b. Thus, the final number of invitation which need to send out = Remaining invitation after giving to mother - invitation which are mailed[tex]= 32 - 5 - \frac{1}{3}( 32 - 5 )[/tex] OPTION 1) is correct.