$4x = $100
100 /4 is 25. You can by 25 lunches....
hope you have a few friends to share it with lol.
The linear relationship in the form y = y = 3n + 72
What is linear relationship?
In statistics, a straight line of correlation between two variables is referred to as a linear relationship (or linear association). The mathematical equation y = mx + b can be used to represent linear relationships graphically.
<h3>According to the given information :</h3>
Each plant generates 34 oz of beans when she plants 30 stalks, and 33 stalks results in 33 oz of beans per plant, according to the information we have provided.
Equation 1 using data 1:
y = mn + b
Equation 1 using data 1:
30 = 34m + b
Equation 2 using data 2:
33 = 33m + b
Subtract equation 1 from equation 2:
33 - 30 = 34m + b - 33m - b
3 = m
m = 3
Rearrange equation 1 to solve for b:
b = 34(3) - 30
b = 102 - 30
b = 72
Therefore the equation becomes:
y = 3n + 72
The linear relationship in the form y = y = 3n + 72
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Answer:
125 Dollars
Step-by-step explanation:
Total fee = 7000
Amount in hand = 4000
Amount to be saved in 2 years = 7000 - 4000 = 3000
No of months in 2 years = 12 x 2 = 24
Per month saving = 3000 / 24 = 125 $
According to the ratio of dogs to cats, if there are 20 cats, there will be 35 dogs.
<u>Explanation:</u>
Let the number of dogs be d and the number of cats be c
If the ratio of dogs to cats is 49:28, then the ratio of d : c would be
![\frac{d}{c} = \frac{49}{28}](https://tex.z-dn.net/?f=%5Cfrac%7Bd%7D%7Bc%7D%20%20%3D%20%5Cfrac%7B49%7D%7B28%7D)
On reducing the fraction, we get
![\frac{d}{c} = \frac{7}{4}](https://tex.z-dn.net/?f=%5Cfrac%7Bd%7D%7Bc%7D%20%3D%20%5Cfrac%7B7%7D%7B4%7D)
It is shown that the number of cats is reduced to 20.
So, let the number of dogs after sometime be x
Thus,
![\frac{d}{c} = \frac{7}{4} = \frac{x}{20}](https://tex.z-dn.net/?f=%5Cfrac%7Bd%7D%7Bc%7D%20%20%3D%20%5Cfrac%7B7%7D%7B4%7D%20%20%3D%20%5Cfrac%7Bx%7D%7B20%7D)
After cross multiplying we get:
140 = 4x
x = 35
According to the ratio of dogs to cats, if there are 20 cats, there will be 35 dogs.