Question

(PLEASE HELP)An elevator car in a skyscraper can hold at most 15 people. For safety reasons, each car can carry a
maximum of 1,500kg. On average, an adult weighs 70kg and a child weighs 25 kg. Assume that each
person carries 4kg of gear with them.

Answer 1

Answer:

$70x + 25y + 4x + 4y \leqslant 1500$

where x = number of adults

y = number of children

and the extra weights of 4kg of each person.