Step-by-step explanation: 27-5=22 then u divide 22 divided by 2 and you get 11 then you add five girls to the 11 and you get 16 so there's 11 boys and 16 girls at the party which makes the equation 11+5=16 so the answer is number b (the second one).
There's a theorem that states: "<span>If a quadrilateral is a parallelogram, </span>it has<span> 2 sets of opposite sides congruent.</span><span>" </span> Hope this helps ;)
