7. Due to the Covid-19 pandemic, Mae secured the safety of her family at all times. She bought 7 boxes of facemask and 6 bottles of alcohol. The 7 boxes of face mask cost Php420.00 and she paid a total of Php900.00 for both facemask and alcohol. Find the cost of 6 bottles of alcohol. A. Php470.00 C. Php490.00 B. Php480.00 D. Php500.00
Help me plsss
