The sign in the hotel elevator reads

Question

“Maximum of 6 people or 1200 lbs.”
Suzanne weighs 80 pounds, her dad
is three times her weight, and her
mom is twice her weight. Her sister
is 40 pounds heavier than Suzanne,
while her brother is 90 pounds
heavier. Can they all ride in the
elevator at the same time?

Answer 1

the answer is 770

Answer 2

The question is

Can they all ride in the elevator at the same time?

How can 770 be the answer to that?