Question

9) SOLVE THE FOLLOWING APPLICATION PROBLEMS. A) IF THE PRICE OF A NEW CAR IS $36,570, WITH THE 6% SALES TAX INCLUDED IN THE PRICE, WHAT IS THE PRICE OF THE CAR BEFORE TAX? B) PRICING – A CONCERT PROMOTER NEEDS TO TAKE IN $380,000 ON THE SALE OF 16,000 TICKETS. IF THE PROMOTER CHARGES $20 FOR SOME TICKETS AND $30 FOR OTHERS, HOW MANY OF EACH TYPE MUST BE SOLD TO YIELD THE $380,000? C) SEAWATER PRESSURE – IN SEAWATER, THE PRESSURE p IS RELATED TO THE DEPTH d ACCORDING TO 33p – 18d = 495 WHERE d IS IN FEET AND p IS IN POUNDS PER SQUARE INCH. THE TITANIC WAS DISCOVERED AT A DEPTH OF 12,460 FEET. FIND THE PRESSURE AT THIS DEPTH.

          9) 
SOLVE THE FOLLOWING APPLICATION PROBLEMS. 
A) IF THE PRICE OF A NEW CAR IS $36,570, WITH THE 6% SALES TAX INCLUDED IN THE 
PRICE, WHAT IS THE PRICE OF THE CAR BEFORE TAX? 
B) PRICING – A CONCERT PROMOTER NEEDS TO TAKE IN $380,000 ON THE SALE OF 
16,000 TICKETS.  IF THE PROMOTER CHARGES $20 FOR SOME TICKETS AND $30 FOR 
OTHERS, HOW MANY OF EACH TYPE MUST BE SOLD TO YIELD THE $380,000? 
C) SEAWATER PRESSURE – IN SEAWATER, THE PRESSURE p IS RELATED TO THE DEPTH 
d ACCORDING TO 33p – 18d = 495 WHERE d IS IN FEET AND p IS IN POUNDS PER 
SQUARE INCH.  THE TITANIC WAS DISCOVERED AT A DEPTH OF 12,460 FEET.  FIND THE 
PRESSURE AT THIS DEPTH.

Added by Daniel B.

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