The cost of soup, s, varies directly with the number of cans, c. When c is 4, the cost is $3. Which graph represents the cost of the soup?

Question

asked Oct 9, 2019 86.0k views

2 Answers

Ziauz · Answer 1 · 2019-10-15T17:36:29+0000

we know that

A relationship between two variables, x, and y, represent a direct variation if it can be expressed in the form

$(y)/(x) =k\ or\ y=kx$

In this problem

Let

x--------> the number of cans

y-------> the cost of a soup

so

when

$x=4\ cans\\y=\$3$

substitute

$(y)/(x) =k\\\\ (3)/(4) =k$

the equation is

y=(3)/(4)x

using a graph tool

see the attached figure

the answer in the attached figure