Let's say that Bob is x and James is y
x + y = 180
x = 2y
2y + y = 180
y = 60.
James spent 60 dollars.
13+3k=11
-Move constant to the right-hand side and change its sign
3k=11-13
Calculate the difference
3k=-2
Divide both sides by 3
K= -2/3
Answer:
1/2c+6=14
Step-by-step explanation:
Answer:
first equation:
y=kx
15=3(k)
k=5
second equation:
4=5x
x=4/5
Step-by-step explanation:
