Question
PSLE
Yen had $29. After buying 3 identical pencils, she has $4z left. Express the cost of 1 pencil in terms of z.
1 m

Click button first when a symbol is required. X

PSLE
Yen had $29. After buying 3 identical pencils, she has $4z left. Express the cost of 1 pencil in terms of z.