Question
PSLE
Xylia had $38. After buying 8 identical pens, she has $7i left. Express the cost of 1 pen in terms of i.
1 m

Click button first when a symbol is required. X

PSLE
Xylia had $38. After buying 8 identical pens, she has $7i left. Express the cost of 1 pen in terms of i.