Gillian baked 247 cookies. She ate 3
z of them and divided the remainder equally among her 4 friends.
- Find the number of cookies each of her friends received in terms of z?
- If z = 13, how many cookies did each of her friends receive?
(a)
Number of cookies left after Gillian ate = 247 - 3
zNumber of cookies that each of her friends received =
247 - 3z4 (b)
Number of cookies that each of her friends received
= (247 - (3 x 13)) ÷ 4
= (247 - 39) ÷ 4
= 208 ÷ 4
= 52
Answer(s): (a)
247 - 3z4; (b) 52