Tammy wanted to invite 400 guests to her wedding. Each of her 7 friends helped her to make 27 invitation cards. She made the rest of the cards herself.
- How many invitation cards did Tammy's friends help her make?
- Assuming that Tammy needed a card for each guest, how many more cards did Tammy have to make by herself?
(a)
Number of invitation cards that her friends made
= 7 x 27
= 189
(b)
Number of invitation cards that Tammy made
= 400 - 189
= 211
Answer(s): (a) 189; (b) 211