Kayla is sending invitations to 20 of her friends for a pizza party. if there are 12 invitations left to send out, how many invitations has she already mailed?

Hello there!

We know that Kayla is sending invitations to 20 of her friends for a party, It is safe to assume that she needs an invitation for each friend, then she needs 20 invitations.

We know that there are 12 invitations left to send out (this means that of 20 invitations, there are 12 that she did not send already), then the amount that she already sends is equal to the difference between the total number of invitations and the left ones; this is

20 - 12 = 8

This means that she already mailed 8 invitations

step-by-step explanation:

too hard the other guy did it

step-by-step explanation: