Gillian baked 270 shortbreads. She ate 3
i of them and divided the remainder equally among her 4 friends.
- Find the number of shortbreads each of her friends received in terms of i?
- If i = 14, how many shortbreads did each of her friends receive?
(a)
Number of shortbreads left after Gillian ate = 270 - 3
iNumber of shortbreads that each of her friends received =
270 - 3i4 (b)
Number of shortbreads that each of her friends received
= (270 - (3 x 14)) ÷ 4
= (270 - 42) ÷ 4
= 228 ÷ 4
= 57
Answer(s): (a)
270 - 3i4; (b) 57