Zara baked 213 cookies. She ate 3
b of them and divided the remainder equally among her 4 friends.
- Find the number of cookies each of her friends received in terms of b?
- If b = 19, how many cookies did each of her friends receive?
(a)
Number of cookies left after Zara ate = 213 - 3
bNumber of cookies that each of her friends received =
213 - 3b4 (b)
Number of cookies that each of her friends received
= (213 - (3 x 19)) ÷ 4
= (213 - 57) ÷ 4
= 156 ÷ 4
= 39
Answer(s): (a)
213 - 3b4; (b) 39