How many tiles, each with an area of 10 square inches, are required to cover a floor with dimensions of 5 feet by 4 feet?
Q1. How many tiles, each with an area of 10 square inches, are required to cover a floor with dimensions of 5 feet by 4 feet?
Answer: 288
Explanation: Floor area = 5×4 = 20 sq ft = 20 × 144 = 2880 sq inches; tiles needed = 2880/10 = 288.