Question:
Find the constant of proportionality k. Then write an equation for the relationship between x and y

Answer:
(a) 
(b) 
Step-by-step explanation:
Given

Solving (a): The constant of proportionality:
Pick any two corresponding x and y values


The constant of proportionality k is:




Solving (b): The equation
In (a), we have:

k can also be expressed as:

Substitute values for x1, y1 and k

Cross multiply:

Open bracket

Add 10 to both sides


15/100*70000=$10500
$40000+$10500= $50,000
I don’t see an attachment
Round off 1,563,385 to the nearest million. A. 1,600,000 B. 1,563,400 C. 2,000,000 D. 1,563,000
iren2701 [21]
1,563,385 ...when rounded to the nearest million is 2,000,000.
y=kx
soda water=k orange juice
2=2k
k=1
18=1 × orange juice
orange juice=18/1
orange juice=18 cups