Question
Mrs Lui had a sum of money. If she bought 5 mochi balls and 6 sweets, she would have $35 left. If she bought 4 mochi balls and 9 sweets, she would have $35 left. Given that she had $77, how many mochi balls could she buy at most?
4 m

Click button first when a symbol is required. X

Mrs Lui had a sum of money. If she bought 5 mochi balls and 6 sweets, she would have $35 left. If she bought 4 mochi balls and 9 sweets, she would have $35 left. Given that she had $77, how many mochi balls could she buy at most?