01-06-2016
Mathematics

Answered

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?

Verified Answer :

meerkat18 meerkat18

05-06-2016

Oven tray: 600 mm by 500 mm
cake tin: 25 cm in diameter

convert mm to cm.

1 cm = 10 mm

600mm 1cm/10mm = 60cm
500mm 1cm/10mm = 50cm

Area of oven tray = 60cm 50cm = 3,000 cm²
Area of cake tin = 3.14 (25cm/2)² = 3.14 (12.5cm)² = 3.14 156.25cm² = 490.625 cm²

3,000cm² ÷ 490.625cm² = 6.11 or 6 cake tins can fit on the oven tray at one time.

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