Translate the situation into mathematical language. You need not actually solve the problem.The Music Store prices its blank audiotapes by raising the wholesale price 30% and adding 30 cents. What must the tape's wholesale price be if the tape is to sell for $2.19?
A. Let w represent the tape's wholesale price; 0.30 = w + 0.30w - 2.19
B. Let w represent the tape's wholesale price; 2.19 = w + 0.30w + 0.30
C. Let w represent the tape's wholesale price; 2.19 = w + 0.30w - 0.30
D. Let w represent the tape's wholesale price; 2.19 = 0.30w + 0.30
Answer: B
You might also like to view...
Solve and give interval notation for the solution set. Then graph the solution set.-2 < -2x ? 6
A. (-3, 1)
B. [-3, 1]
C. [-3, 1)
D. (-1, 3]
Find the average rate of change for the function over the given interval.y = x2 + 8x between x = 7 and x = 9
A. 
B. 17
C. 24
D. 
Solve the problem.If m varies directly as p, and m = 35 when p = 7, find m when p is 9.
A. 45 B. 49 C. 25 D. 81
Write the solution set in interval notation.x < 3
A. {x|3 < x} B. {x|x < 3} C. {x|x > 3} D. {x|x ? 3}