Answer:
The second one is correct.
Answer:
x = 7
Step-by-step explanation:
first subtract 4 from both sides
-3x = -21
divide both sides by negative 3
x = 7
$68 net price
$.02 x 4000 units= $80
$80 x 15% (discount) = $12 discount
$80- $12 = $68 net price
Answer:
C
10 x (p+2) = 30
10 x 2 = 20 30 - 20 = 10 10 ÷ 10 = 1
P = 1
10 x (1 + 2) = 30