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➷ Convert the cm into mm:

25cm = 250mm

250 x  250 = 62500

Find the oven's area:

600 x 500 = 300000

Divide them:

300000/62500 = 4.8

4 tins

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡