Answer:
Step-by-step explanation:
500
Richard has 25 cards.
Milan has 100 cards.
If Richard has x cards then Milan has 4x, so we have the equation:
x + 4x = 125
5x = 125
x = 125/5
x = 25 cards = Richard's cards.
So Milan has 125 - 25 = 100 cards.
It's 4-12x
the distance between cd rounded to the nearest tenth is ≈ 7