Question
PSLE
Riordan was given a fixed amount of allowance each month. In September, he spent $450 and saved the rest. In October, he spent 40% more and his savings decreased by 10%. How much was Riordan's allowance for each month?
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PSLE
Riordan was given a fixed amount of allowance each month. In September, he spent $450 and saved the rest. In October, he spent 40% more and his savings decreased by 10%. How much was Riordan's allowance for each month?