The cylindrical tins used to bake this three-tier wedding cake have diameters of 15, 25 and 30cm.
All of them have a depth of 110mm.
1. Write the diameters of the three tiers, from smallest to largest, as a ratio in its simplest form.
Mathbot Says...
I wasn't able to parse your question, but the HE.NET team is hard at work making me smarter.