Answer:
p = 3
Step-by-step explanation:
[tex]\frac{4(0.5p + 1.5)}{4} = \frac{12}{4} \\\\{0.5p + 1.5 = 3\\\\[/tex]
Subtract 1.5 from both sides
0.5p + 1.5- 1.5 = 3 - 1.5
0.5p = 1.5
Divide by 0.5 on both sides
[tex]\frac{0.5p}{0.5} = \frac{1.5}{0.5} \\[/tex]
p = 3