Question

Detergent costs $4 per box. Kendra graphs the equation that gives the cost y of buying x boxes of detergent. What is the equation?

Answer 1

y=4x

Y, the total price
The price is equal to 4×x
x is the number of boxes that Kendra buys

Answer 2

The answer to your question would be Y=$4(X) because in order to find your total cost(Y) you would have to multiply the # of boxes(X) By the price per box($4).