Pa help po dito Pa answer po ng maayos

Colors:
White
Light Gray
Dark Gray
Tally & Frequency:
White - 4
Light Gray - 7
Dark Gray - 4
1. Light Gray has 7 blocks.
2. White and Dark Gray has only 4 blocks.
3. 15 Blocks in total.
Answer:
1.Grey,There are 7 Gray blocks
2.White,There are 4 white blocks
3.There are 15 collored blocks in total