Answer:
C) 160
Step-by-step explanation:
Set up a proportion:
= 
Cross multiply and solve for x:
15x = 3600
x = 240
This means in 400 marbles, 240 are purple.
To find how many are not purple, subtract 240 from 400:
400 - 240
= 160 marbles
So, 160 marbles are not purple
(-4)+10=6 if you add (-4) to 10
it is like subtracting 4 from 10
witch equals six
Answer:
The one that is 0,-3 and 3,0
Step-by-step explanation:
Answer:
-2.167
Step-by-step explanation:
6X = 2-15
6X = -13
X= -13 / 6