Register

Three friends bought 4, 6, and 8 books. The table shows the cost of the books. Number of Books 4 6 8 Cost ($) 30 45 60 What is the constant of proportionality? (A) 2 (B) 7.5 (C)…

Three friends bought 4, 6, and 8 books. The table shows the cost of the books. Number of Books 4 6 8 Cost ($) 30 45 60 What is the constant of proportionality? (A) 2 (B) 7.5 (C)…
asked 25.8k views
3 votes
Three friends bought 4, 6, and 8 books. The table shows the cost of the books.

Number of Books 4 6 8
Cost ($) 30 45 60

What is the constant of proportionality?

(A) 2
(B) 7.5
(C) 15
(D) 30

asked
User Brahim Boulkriat
by
7.9k points

1 Answer

5 votes

Answer: B 7.5

Explanation:

Y = Kx

4 = k30

k = 30/4

k = 7.5

or

Y = KX

X Y

Three friends bought 4, 6, and 8 books. The table shows the cost of the books. Number-example-1
answered
User Mahesh Guruswamy
by
8.7k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.

Categories

Other Questions

How do you can you solve this problem 37 + y = 87; y =
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
Link Copied!