Question

y 12 14 72 84 96 108 16 18 The rule for the table above is y = kx. What is the value of K? A 2 B. 6 C 7 D 60 Item #8670 g 37 of 75 customers in the store made a purchase of at least $20. Approximately of the automore made a urchase of at least $20?

Answer 1

$\begin{gathered} y\text{ =kx is the rule of the table} \\ \text{This means k = }\frac{y}{x} \end{gathered}$

From the table picking corresponding values of x and y

x = 12

y =72

$\begin{gathered} k\text{ =}\frac{72}{12} \\ k\text{ =6} \end{gathered}$

k =6 option B