Answer:
7) p=80
8)z= 19.2
Step-by-step explanation:
7th problem)
0.1p=8
p * [tex]10^{-1}[/tex]=8
[tex]\frac{p}{10}[/tex]=8
p=80
8th problem)
[tex]\frac{z}{2.4}[/tex]=8
z=8*2.4
z=19.2
