Cathy baked 318 biscuits. She ate 2
d of them and divided the remainder equally among her 4 friends.
- Find the number of biscuits each of her friends received in terms of d?
- If d = 17, how many biscuits did each of her friends receive?
(a)
Number of biscuits left after Cathy ate = 318 - 2
dNumber of biscuits that each of her friends received =
318 - 2d4 (b)
Number of biscuits that each of her friends received
= (318 - (2 x 17)) ÷ 4
= (318 - 34) ÷ 4
= 284 ÷ 4
= 71
Answer(s): (a)
318 - 2d4; (b) 71