Craig wants to use an elevator to carry identical packages having the same weight. Each package weighs 4 pounds and Craig weighs 90 pounds. If the elevator can carry a maximum of 330 pounds at a time, which inequality shows the maximum number of packages, n, that Craig can carry with himself in the elevator if he is the only passenger?
n ≥ 60
n ≤ 60
n ≤ 236
n ≥ 236
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Given:
Weight of each package = 4 pounds
Weight of Craig = 90 pounds
Number of maximum packages = n
Maximum weight that the elevator can carry = 330 pounds
To find:
The correct ineqaulity.
Solution:
The total weight of Craig and n packages must be less than or equal to 330, as the maximum weight that the elevator can handle is 330 pounds.
90 + n*4 ≤ 330
4n ≤ 330- 90
4n ≤ 240
n ≤ 60
Therefore the correct option is (B) i.e. n≤ 60.
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