Lynn baked 309 shortbreads. She ate 4
r of them and divided the remainder equally among her 5 friends.
- Find the number of shortbreads each of her friends received in terms of r?
- If r = 16, how many shortbreads did each of her friends receive?
(a)
Number of shortbreads left after Lynn ate = 309 - 4
rNumber of shortbreads that each of her friends received =
309 - 4r5 (b)
Number of shortbreads that each of her friends received
= (309 - (4 x 16)) ÷ 5
= (309 - 64) ÷ 5
= 245 ÷ 5
= 49
Answer(s): (a)
309 - 4r5; (b) 49