Question
Xuan wanted to invite 488 guests to her wedding. Each of her 5 friends helped her to make 30 invitation cards. She made the rest of the cards herself.
  1. How many invitation cards did Xuan's friends help her make?
  2. Assuming that Xuan needed a card for each guest, how many more cards did Xuan have to make by herself?
3 m
(a)

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(b)

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Xuan wanted to invite 488 guests to her wedding. Each of her 5 friends helped her to make 30 invitation cards. She made the rest of the cards herself.
  1. How many invitation cards did Xuan's friends help her make?
  2. Assuming that Xuan needed a card for each guest, how many more cards did Xuan have to make by herself?