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.
- How many invitation cards did Yoko's friends help her make?
- Assuming that Yoko needed a card for each guest, how many more cards did Yoko have to make by herself?
(a)
Number of invitation cards that her friends made
= 4 x 25
= 100
(b)
Number of invitation cards that Yoko made
= 477 - 100
= 377
Answer(s): (a) 100; (b) 377