Answer:
n ≤ 2000/85
Explanation:
Given that:
Weight in Pounds that elevator can lift ≤ 2000
Weight of each crate = 85 pounds
Greatest number of crates (n) elevator can lift ;
Weight per crate * number of crates ≤ 2000
85 * n ≤ 2000
85n ≤ 2000
n ≤ 2000/85