Question
Yoko wanted to invite 477 guests to her wedding. Each of her 4 friends helped her to make 25 invitation cards. She made the rest of the cards herself.
  1. How many invitation cards did Yoko's friends help her make?
  2. Assuming that Yoko needed a card for each guest, how many more cards did Yoko have to make by herself?
3 m
(a)

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(b)

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Yoko wanted to invite 477 guests to her wedding. Each of her 4 friends helped her to make 25 invitation cards. She made the rest of the cards herself.
  1. How many invitation cards did Yoko's friends help her make?
  2. Assuming that Yoko needed a card for each guest, how many more cards did Yoko have to make by herself?