Concept:
We know that a ratio is a term in mathematics that signifies how many times one value contains the other.
Given: The number of cakes baked varies directly with the number of hours the caterers work.
Explanation:
From the given graph, it can observe that,
30 cakes are made in 1 hour. ( When we draw a vertical line from x = 1 to the curve, we get y=30 i.e. point is ( 1,30).
The required ratio of cakes baked to hours worked = 30: 1
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