Answer:
a=31
Step-by-step explanation:
1/2(a-9)=11
a-9=22
a=22+9
a=31
36 I believe sorry if it’s wrong what I did was multiply 2x 18 have I nice day good luck!
So, Juan is 3rd, and Tami has at least 2 ppl in front of her, she can't be third because Juan is, so she's fourth. Kari is not 1st, leaving the only space to be 2nd from Kari.
So you have 45 and you want to add 8 more weights which are ten pounds each you multply 10 and 8 and then add 45 when