Answer:
p+5+7=p+12
p/(p+12) ×900=120
900p=120(p+12)
90p=12(p+12)
90p=12p+144
90p-12p=144
78p=144
p=144/78
I would appreciate if my answer is chosen as a brainliest answer
there I'm not good in math
B.
Step-by-step explanation: