Jean wanted to invite 499 guests to her wedding. Each of her 7 friends helped her to make 22 invitation cards. She made the rest of the cards herself.
- How many invitation cards did Jean's friends help her make?
- Assuming that Jean needed a card for each guest, how many more cards did Jean have to make by herself?
(a)
Number of invitation cards that her friends made
= 7 x 22
= 154
(b)
Number of invitation cards that Jean made
= 499 - 154
= 345
Answer(s): (a) 154; (b) 345