Question
PSLE
Sam was given a fixed amount of allowance each month. In June, he spent $420 and saved the rest. In July, he spent 30% more and his savings decreased by 20%. How much was Sam's allowance for each month?
2 m

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PSLE
Sam was given a fixed amount of allowance each month. In June, he spent $420 and saved the rest. In July, he spent 30% more and his savings decreased by 20%. How much was Sam's allowance for each month?