Mathematics, 15.12.2020 21:10 ariel8308

Callum and Isobel have a total of 240 stamps. The ratio of the number of Callum’s stamps to the number of Isabel’s stamps is 3:8.
Callum buys some stamps from Isabel.
The ratio of the number of Caullum’s stamps to the number of Isabel’s stamps is now 3:2
How many stamps does Callum buy from Isabel?
You must show all your working.

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Callum and Isobel have a total of 240 stamps. The ratio of the number of Callum’s stamps to the num...

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