Question
PSLE
Zara had $18. After buying 5 identical pencils, she has $7g left. Express the cost of 1 pencil in terms of g.
1 m

Click button first when a symbol is required. X

PSLE
Zara had $18. After buying 5 identical pencils, she has $7g left. Express the cost of 1 pencil in terms of g.