Question

Renna pushes the elevator button, but the elevator does not move. The mass limit for the elevator is
\[450\] kilograms (
\[\text{kg}\]), but Renna and her load of identical packages mass a total of
\[620\,\text{kg}\]. Each package has a mass of
\[37.4\,\text{kg}\].
What is the minimum whole number of packages Renna needs to remove from the elevator to meet the mass requirement?
packages

Answer 1

Total excess mass = 620 − 450 = 170 kg.
Each package is 37.4 kg, so number needed = ceil(170 / 37.4) = ceil(4.547...) = 5.

Answer: 5 packages.