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Find the percentage change between the following quantities.
|(a)||12m to 15m||(b)||4kg to 7kg||(c)||£5 to £9.50|
|(d)||0.45 to 0.6||(e)||56cm to 32cm||(f)||720 to 1500|
|(g)||25oC to 45oC||(h)||£270 to £140||(i)||85min to 3hrs|
|(j)||72g to 60g||(k)||50cm to 1.2m||(l)||490km to 1140km|