Question

Renna pushes the elevator button, but the elevator does not move. The mass limit for the elevator is 450450450 kilograms (\text{kg}kgstart text, k, g, end text), but Renna and her load of identical packages mass a total of 620\,\text{kg}620kg620, start text, k, g, end text. Each package has a mass of 37.4\,\text{kg}37.4kg37, point, 4, start text, k, g, end text.
Write an inequality to determine the number of packages, ppp, Renna could remove from the elevator to meet the mass requirement.
What is the minimum whole number of packages Renna needs to remove from the elevator to meet the mass requirement?

Answer 1

Reena need to remove 5 Packages from the elevator to meet mass requirement

Step-by-step explanation:

Reena  + Packages weight = 620 kg

Elevator max limit  = 450 kg

Let say n packages removed  to meet mass requirement

then 620 - n(37.4) ≤ 450

=>  - n(37.4) ≤ -170

=> n(37.4) ≥ 170

=> n  ≥ 170/(37.4)

=> n ≥ 170/(37.4)

=> n ≥ 4.55

=> Least Value of n = 5  to meet mass requirement

Reena need to remove 5 Packages from the elevator to meet mass requirement

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