Question

. Suppose you spent $38.25 for 3 shirts that each cost the same amount. If the cost of the shirts varies directly with the number of shirts you buy, what is the constant of variation?

Answer 1

38.25 for 3 shirts
1 shirt costs 12.75 dollars.
let n be the number of shirts and c the total cost;
c
`\alpha`n
c=kn
38.25=3k
k= 12.75