Question

The Quantities x and y are

proportional
x. y
2. 14
6. 42
11. 77
Find The Constant Of Proportionality (r) in the equation
y=rx​

Answer 1

r = 7

Explanation:

In a direct proportionality,

y = rx

Substitute a pair of values for x and y

77 = r × 11

Divide each side by 11

r = 77/11 = 7