Respuesta :
Answer:
1176
Step-by-step explanation:
A room with dimensions 10 ft by 5 ft has an area of 50 ft².
A room with dimension 7 ft by 21 ft has an area of 147 ft².
Writing a proportion:
400 tiles / 50 ft² = x / 147 ft²
x = 1176 tiles
Answer:
1176
Step-by-step explanation:
A room with dimensions 10 ft by 5 ft require 400 tiles. There would be 1176 tiles needed for a room that measures 7 ft by 21 ft.