Question

The equation c = 0.25n can be used to find the cost (c) of buying n number of apples.

A) What is the constant of proportionality in this equation?
B) What information does the constant of proportionality provide us?
C) How many apples can you buy for $3?

Be sure to answer A, B and C. Make sure that you label each answer.

PLEASE HELP ME!

Answer 1

a) Constant of proportionality = 0.25

b) The constant of proportionality provides the cost of one apple.

c) n = 12

Explanation:

It is given that:

c = 0.25n

a) Here,

c = cost of apples

n = number of apples

As the proportion varies directly.

c ∝ n

c = kn

Comparing the equations

k = 0.25

b) The constant of proportionality provides the cost of one apple.

c) Putting c = $3

3 = 0.25n

Dividing both sides by 0.25

n = 12

Thus,

a) Constant of proportionality = 0.25

b) The constant of proportionality provides the cost of one apple.

c) n = 12