Answer:
200
Step-by-step explanation:
Let x and 2x be the number of red tiles and blue tiles respectively.
x + 2x = 600
3x = 600
=> x = 200
No. of red tiles = 200
No. of blue tiles = 2(200) = 400
For the secound one u multiply I belive
Answer:
2 × 2 × 2 × 2 × 3, or 
×3.
Umm i would not trust that file
