Respuesta :
The correct answer is:
350 ml.
Explanation:
Let x be the amount in the fifth container.
The mean is found by adding all of the amounts together and dividing by the number of containers (in this problem, 5). We know that the total from the other 4 containers is 2750; add this to x, our unknown number. Then we divide by 5 to arrive at our answer of 620.
Algebraically,
[tex]\frac{2750+x}{5}=620[/tex]
To solve, multiply both sides by 5:
[tex]\frac{2750+x}{5}\times 5=620\times 5 \\ \\2750+x=3100[/tex]
Subtract 2750 from both sides:
2750+x-2750=3100-2750
x=350.
There are 350 ml in the fifth container.
350 ml.
Explanation:
Let x be the amount in the fifth container.
The mean is found by adding all of the amounts together and dividing by the number of containers (in this problem, 5). We know that the total from the other 4 containers is 2750; add this to x, our unknown number. Then we divide by 5 to arrive at our answer of 620.
Algebraically,
[tex]\frac{2750+x}{5}=620[/tex]
To solve, multiply both sides by 5:
[tex]\frac{2750+x}{5}\times 5=620\times 5 \\ \\2750+x=3100[/tex]
Subtract 2750 from both sides:
2750+x-2750=3100-2750
x=350.
There are 350 ml in the fifth container.
Answer:
350 ml
Step-by-step explanation:
The mean water in five containers = 620 ml
Mean of five container = total water in five container /5 = 620 ml
Total water in five container = (620 ml x 5)
= 3100 ml
Container 1 + Container 2 + Container 3+ Container 4+ Container 5 = 3100 ml--------------Equation (1)
Water in four containers = 2750 ml
This means ,
Water in four containers = Container 1 + Container 2 + Container 3+ Container 4 = 2750 ml
Substituting this in equation 1, we get
2750 ml + Container 5 = 3100 ml
Container 5 = 3100 ml -2750 ml
= 350 ml,
Thus , water in fifth container = 350 ml.
