The oven tray is 600mm by 500mm. A cake tin is 25cm in diameter. How many cake tins can jenny fit on the oven tray at one time?
Simple, 600mm=60 cm and 500mm=50 cm. The diameter of the cake is 25 cm, we know that you could fit 4 cakes.
600 × 500 = 300000mm²
÷100
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3000cm
\(\pi\)²
⇒\(\pi\)×25² ≈ 1963.5
3000 ÷ 1963.5 = 1.52
Answer =1