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Answer:
Step-by-step explanation:
Given
Base of mail box is 
height of mail box 
Total area required for one mail box


where 




Substituting values




Therefore for 1485 mailboxes Area required

<span><span>Step 1: Find a number you can multiply by the bottom of the fraction to make it 10, or 100, or 1000, or any 1 followed by 0s.
</span><span>Step 2: Multiply both top and bottom by that number.
</span><span>Step 3. Then write down just the top number, putting the decimal point in the correct spot (one space from the right hand side for every zero in the bottom number)</span></span>
<span><span>f(a)+<span>f′</span>(a)(x−a)</span><span>f(a)+<span>f′</span>(a)(x−a)
</span></span>
I get almost the same value as 64.072/364.072/3, which is around 16.011616.0116. Just not sure how else to go about doing this problem. Thanks.
3h 30min = 3.5 h
so 169 miles / 3.5 h = 48.2857 miles per hour