Page 79 - NUMINO Challenge_A2
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05 In the month of April, Amy drank one carton of milk everyday. One
carton used to contain 450 mL of milk, but the amount was increased
to 500 mL some time in April. If Amy drank a total of 14000 mL of milk
in April, what is the exact date that the amount of milk per carton
increased?

76 NUMINO Challenge A2
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