Barbara wanted to invite 576 guests to her wedding. Each of her 4 friends helped her to make 23 invitation cards. She made the rest of the cards herself.
- How many invitation cards did Barbara's friends help her make?
- Assuming that Barbara needed a card for each guest, how many more cards did Barbara have to make by herself?
(a)
Number of invitation cards that her friends made
= 4 x 23
= 92
(b)
Number of invitation cards that Barbara made
= 576 - 92
= 484
Answer(s): (a) 92; (b) 484