Answer:
5
Step-by-step explanation:
-6+2n=3n-(6+5)
-6+2n=3n-11
-6+2n-3n=-11
-6-n=-11
n=-6-(-11)
n=-6+11
n=5
Answer:
$40
Step-by-step explanation:
6 = .15x
6 / .15 = 40
twice as many cats (as) dogs.
c = 2d [not true]
Three less than twice as many cats (as) dogs.
c = 2d - 3
210 combined,
c + d = 210
Subtracting,
-d = 2d - 3 - 210
-3d = -213
d = 71
Answer: 71
25% 6 divided by 24 will give you the percentage of copper in the bar
I believe it’s b I am not sure
Step by step explanation