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.
- How many invitation cards did Xuan's friends help her make?
- Assuming that Xuan needed a card for each guest, how many more cards did Xuan have to make by herself?
(a)
Number of invitation cards that her friends made
= 5 x 30
= 150
(b)
Number of invitation cards that Xuan made
= 488 - 150
= 338
Answer(s): (a) 150; (b) 338