The soluions are approximately x ∈ {0.5, 7.8}.
I think its 12.
I could be wrong. Let me know.
-Steel jelly
700*600=420,000
420,000/10=42,000
Diameter = 25
so radius = 12.5
Pi*12.5^2=625/4Pi
42,000/625/4 Pi =86.56169741
=86.6
she can fit 86 tins
The temperature change from 6am to noon is 11°c