Question

2. Rosa made a mosaic wall mural using 15 black tiles, 60 blue tiles, and 25 red tiles. Write a percent to represent the number of red tiles that were used in the mural.

Answer 1

9514 1404 393

Answer:

  25%

Step-by-step explanation:

The ratio of red tiles to all tiles is ...

  25/(15 +60 +25) = 25/100 = 25%

25% of the tiles were red tiles.

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Additional comment

It is often useful to think of the % symbol as being equivalent to /100, and vice versa.