Question
PSLE
David was given a fixed amount of allowance each month. In May, he spent $20 and saved the rest. In June, he spent 10% less and his savings increased by 20%. How much was David's allowance for each month?
2 m

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PSLE
David was given a fixed amount of allowance each month. In May, he spent $20 and saved the rest. In June, he spent 10% less and his savings increased by 20%. How much was David's allowance for each month?