Joelle wanted to invite 562 guests to her wedding. Each of her 8 friends helped her to make 21 invitation cards. She made the rest of the cards herself.
- How many invitation cards did Joelle's friends help her make?
- Assuming that Joelle needed a card for each guest, how many more cards did Joelle have to make by herself?
(a)
Number of invitation cards that her friends made
= 8 x 21
= 168
(b)
Number of invitation cards that Joelle made
= 562 - 168
= 394
Answer(s): (a) 168; (b) 394