If 30% were perfect, 70% were not perfect. So we know that 70% of the total number of photographs is 210.
p(70/100)=210 multiply both sides by 100
70p=21000 divide both sides by 70
p=300
So there are 300 photographs in all.
I know the B is 2
Sorry I don't know the A
Do you think it could be 'rho' (density)? Like the thing you use for calculating pressure in fluids?
...or maybe it's just a fancy P.
Answer:
5
Step-by-step explanation:
I assume you are looking for page numbers 5 and less so
1,2 ,3,4,5
the rest of the pages are greater than the number 5