Answer=28%
Assuming you meant to say that 7 of them were blue, and the rest were purple...
7 x
___=___
25 100
cross multiply
25x=700
x=28
74 words in a minute if you divide 2886 by 39
Answer:
Your expression have just one solution because a lineal equation can have only one solution, but for example, a cuadratic equation can have 2 solutions or one repeated solution
brainliest please :)