2x+8=3kx (3k-2)x+8=0
3x-kx=2. (3-k)x-2=0
3k-2)x+10=3-k)x
4k-5=10/x
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3x-y-2=2x+8-3y
X+2y-10=0
X+2kx-10=0
K=(10-x)/2x
Answer:
50 cents The red on the right end.
Step-by-step explanation:
Let the chocolate chip cookies = x
Let the jumbo popcorn = y
Julie
y + 2x = 5
Marvin
y + 4x = 6 Subtract
-2x = - 1 The y's disappear. You are left with 1 dollar (negative). Divide by - 2
-2x/-2 = - 1 / -2
x = 1/2
x = 0.5 or 50c
Each cookie costs 50c
The variable m should equal -5
Answer:
15.75
Step-by-step explanation:
30% of 350=105 15% of 105=15.75
5 is your answer
1: 5 = 5: 25
Note that the colon can act like a fraction.
Simplify 5/25.
(5/25)/(5/5) = 1/5 = 1/5
5 is your answer
hope this helps