Question

you need to hire a catering company to serve meals to guests at a wedding reception. Company A charges $500 plus $20 per guest. Company B charges $800 plus $16 per guest. For how nany guests are the total costs the same at both companies

Answer 1

Let's say, guest, is g and we make the equation:
$500+$20g=$800+$16g
$20g=$300+16g
$4g=$300
g=75
Hopes this loves.