SOLUTION: The number n of days that Jerry spends on the road is inversely proportional to the amount A of his sales for the previous month. a) Write a formula for this variation. b) Jerr

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Question 161560This question is from textbook ELEMENTARY AND INTERMEDIATE ALGEBRA
: The number n of days that Jerry spends on the road is
inversely proportional to the amount A of his sales for the
previous month.
a) Write a formula for this variation.
b) Jerry spent 15 days on the road in
February because his January sales amount was
$75,000. If his August sales amount is $60,000, then
how many days would he spend on the road in
September?
c) Does his road time increase or decrease as his sales
increase? This question is from textbook ELEMENTARY AND INTERMEDIATE ALGEBRA

Answer by oscargut(2103) (Show Source):
You can put this solution on YOUR website!
A) n=k/A
B) 15=k/75000 then k =75000(15)=1125000, n=1125000/A
if A=60000 then n=1125000/60000=18.75 (aprox 19 days)
C) it decrease