Question

B is directly proportional to C. When B = 14, C = 7. Find the
value of B when C = 5​

Answer 1

Step-by-step explanation:

a∝b⇒a=k

1

b;k

1

is a constant

b∝

c

1

⇒b=

c

k

2

;k

2

is a constant

⇒a=

c

k

1

k

2

=

c

k

3

;k

3

=k

1

k

2

is another constant

⇒a∝

c

1