A scale diagram of a building has a height of 3 cm.
The real-life building has a height of 48 m.
Sara has tried to work out the scale of the diagram as a ratio in its simplest form.
a) Write a sentence to explain the mistake Sara has made.
b) Work out the correct ratio.
3 cm represents 48 m
3 : 48
Divided by 3⬇️ ⬇️divided by 3
1 : 16