Answer:
see the procedure
Step-by-step explanation:
Remember that

To convert feet to inches multiply by 12

To convert minutes to seconds multiply by 60
we have

Answer:
Step-by-step explanation:
f(0) = 
f(-2)= 
f(x+1) = 
Answer:
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Step-by-step explanation:
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Answer:$378.95
Step-by-step explanation:
Change it all to fractions.
3/10 of her salary on rent
2/5 of her salary on entertainment
1/4 of her salary on living expenses.
Add them
3/10 + 2/5 + 1/4 = 6/20 + 8/20 + 5/20 = 19/20*S
(19/20)*S = 7200
S = 7200*20/19
------
She saved the remaining 1/20 of S = 7200/19
saved =~ $378.95