Question

at andys market, the price of a box of brand-name cereal is 1.5 times the price of a box of generic cereal. if the price of a box of brand-name cereal is $3.60, which of the following can be used to determine $x$, the price of a box of generic cereal in dollars?
choose 1 answer:
a. $1.5x = 3.6$
b. $\frac{x}{1.5} = 3.6$
c. $x + 1.5 = 3.6$
d. $3.6x = 1.5$

Explanation:

Step1: Define variable relationship

Brand price = 1.5 × generic price

Step2: Substitute known values

Let $x$ = generic price, brand price = $3.6$.
$1.5x = 3.6$

Answer:

A. $1.5x = 3.6$