The answer would be $21.5 less than the original.
Since 1 and 2 are used at least once in half of the apartments, and no other number is used this often, either 1 or 2 will be the most frequent digit used.
<span>Since all of the numbers of the form </span><span> appear but only 6 of the numbers </span><span> appear, 2 will be used less often than 1 and we should count the number of 1s to find the number of packages needed.</span>
100 through 125 requires 26 ones just for the hundreds place. 100 through 125 and 200 through 225 require the same number of ones for the tens and units places; that is, thirteen.
<span>So, there are </span><span> ones used. Therefore, the landlord must purchase </span><span> 52 packages.</span>
Answer:
Answer is in a photo. I can only upload it to a file hosting service. link below!
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1 and 2 are natural numbers
-7 belongs to set of integers
sqrt 11 is a member of the set of irrational numbers