Question
PSLE
Billy has some biscuits. If he gives each of his friends 5 biscuits instead, he will have 15 left. If he gives each of them 10 biscuits, there is no biscuit left. How many biscuits does Billy have?
2 m

Click button first when a symbol is required. X

PSLE
Billy has some biscuits. If he gives each of his friends 5 biscuits instead, he will have 15 left. If he gives each of them 10 biscuits, there is no biscuit left. How many biscuits does Billy have?