Question
Mary wanted to invite 478 guests to her wedding. Each of her 5 friends helped her to make 25 invitation cards. She made the rest of the cards herself.
  1. How many invitation cards did Mary's friends help her make?
  2. Assuming that Mary needed a card for each guest, how many more cards did Mary have to make by herself?
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Mary wanted to invite 478 guests to her wedding. Each of her 5 friends helped her to make 25 invitation cards. She made the rest of the cards herself.
  1. How many invitation cards did Mary's friends help her make?
  2. Assuming that Mary needed a card for each guest, how many more cards did Mary have to make by herself?