Emma baked 319 biscuits. She ate 2
a of them and divided the remainder equally among her 5 friends.
- Find the number of biscuits each of her friends received in terms of a?
- If a = 17, how many biscuits did each of her friends receive?
(a)
Number of biscuits left after Emma ate = 319 - 2
aNumber of biscuits that each of her friends received =
319 - 2a5 (b)
Number of biscuits that each of her friends received
= (319 - (2 x 17)) ÷ 5
= (319 - 34) ÷ 5
= 285 ÷ 5
= 57
Answer(s): (a)
319 - 2a5; (b) 57