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Answer: 18
Step-by-step explanation:
The detailed explanation is in the attached picture.
Answer:
Step-by-step explanation:
First make an equation,
8x+500=11x+300
Then, with pemdas, cancel out 300 and 8x
200=3x
Divide both sides by 3
Answer is 66.6 reapeating or about 67 hours
Answer:
92.
Step-by-step explanation:
By proportion the mass of zinc = (345/ 15) * 4
= 92.
Cost of Case of Juice: 20
Cost of Case of Water: 15
What is an equation?
The definition of an equation in algebra is a mathematical statement that demonstrates the equality of two mathematical expressions.
Here, we let
cost of a case of juice = x
cost of a case of water = y
6x + 1y = 135...(1)
4x + 2y = 110.....(2)
Now, we multiply equation (1) by 2 and equation (2) by 1 and we get
12x + 2y = 270
4x + 2y = 110
Now, we subtract equation (1) from equation (2) and we get
8x = 160
x = 20
and y = 15
Hence, the Cost of a Case of Juice: 20
Cost of Case of Water: 15
To learn more about the equation from the given link
brainly.com/question/25976025
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