Answer:
L=$24.95 , G=$12.75
Step-by-step explanation:
This problem is a classic system of equations problem. There are several methods of solving these problems, because of the circumstances and values given I think it's best to use the elimination method. The elimination method attempts to cancel out a variable by subtracting one equation from another.
The first statement Marie received an order of 5 trays of lasagna and 3 trays of garlic bread for a total of $163. I'm going to use "L" for lasagna and "G" for garlic bread. Therefore, the equation for the scenario above is:
In the second statement Marie received an order of 4 trays of lasagna and 4 trays of garlic bread and so:
Now we cannot use the elimination method directly because equation 1 and equation 2 do not have any coefficients in common. However, we can eliminate "G" by first multiplying the top equation by 4 and the bottom equation by 3. We are doing this because those are the coefficients of the other equation, and thus will return a common value as such:
Equation 1:
Equation 2:
Now we can subtract equation 2 from equation 1 and eliminate the "G" variable as such:
By solving for L we obtain:
Therefore, one tray of lasagna is $24.95. Now that we know the value of "L" we can use any of our original equations to figure out what "G" is. I'll use the first equation and so:
And so the price of a tray of garlic bread is $12.75. So the answer is the price of lasagna = $24.95 and garlic bread = $12.75
~~~Brainliest Appriciated~~~
Answer:
ok so first you do this 25.75 + 6.20 = 31.95 and then you just do like this 53.65 - 31.95 = 21.7 that would be the answer and the answer is 21.7
Step-by-step explanation:
hope this help and if this is wrong i am very sorry
I believe it’s b or A but it’s most likely b
Answer: 1+5/7
Step-by-step explanation:
16-2r=3-r+6r+1
We move all terms to the left:
16-2r-(3-r+6r+1)=0
We add all the numbers together, and all the variables
-2r-(5r+4)+16=0
We get rid of parentheses
-2r-5r-4+16=0
We add all the numbers together, and all the variables
-7r+12=0
We move all terms containing r to the left, all other terms to the right
-7r=-12
r=-12/-7
r=1+5/7
Answer:
9p + 8 = 10p + 7 is Open...
Step-by-step explanation: