4 liters of punch can serve 16.
5 liters of punch will be needed for 20 servings.
7 liters of punch will serve 28.
Step-by-step explanation:
Given,
Ratios of liters of punch to servings = 2:8
Let,
x be the servings for 4 liters.
New ratio of liters of punch to servings = 4:x
Using proportion;
Ratio :: New ratio
Product of mean = Product of extreme
Dividing both sides by 2
4 liters of punch can serve 16.
Let,
y be the liters of punch for 20 servings.
New ratio = y:20
Using proportion;
Product of mean = Product of extreme
Dividing both sides by 8
y=5
5 liters of punch will be needed for 20 servings.
Let,
z be the number of servings for 7 liters of punch.
New ratio = 7:z
Using proportion
Product of mean = Product of extreme
Dividing both sides by 2
7 liters of punch will serve 28.
Keywords: ratio, proportion
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Answer: 2
So we can find this from a little deductive reasoning
Greater than -3 and its opposite is negative so it’s a positive number. And it’s also the same unit distance from -1 and 5 so that’s think a positive number and it’s in between a total distance of 6 numbers and the end points use two if the six spots so we are left with 4 and half of 4 is 2 so let’s try the number 2.
2 is greater than -1
2 has an opposite that’s negative, -2
2 is 3 units from -1 and 3 units from 5 so all checks out and we have our answer.
C - 0.25c is equivalent to 0.75c, though that may not be one of the choices.
Think of it as substituting c as 1.
(1) - (0.25)1 = 0.75(1)
Hope this helped you anyway! :D
The answer is 3 to 5 hope it helps