Question
PSLE
The graph shows the amount of money Riordan saved from his pocket money every month from March to July.
  1. How much money did Riordan save altogether from March to July?
  2. What was the average amount of money Riordan saved from March to July?
  3. Riordan saved $21 in August. The amount saved increased by 100% from August to September and another 100% from September to October. How much money did Riordan save in October?
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PSLE
The graph shows the amount of money Riordan saved from his pocket money every month from March to July.
  1. How much money did Riordan save altogether from March to July?
  2. What was the average amount of money Riordan saved from March to July?
  3. Riordan saved $21 in August. The amount saved increased by 100% from August to September and another 100% from September to October. How much money did Riordan save in October?