Answer:
$9.60
Step-by-step explanation:
Step 1: Given data
5 notebooks are worth $4.00.
Step 2: Establish the appropriate ratio
The ratio of notebooks (n) to dollars (d) is 5:4.00.
Step 3: Use the establish ratio to calculate the price of 12 notebooks
12 n × ($4.00/5 n) = $9.60
12 notebooks are worth $9.60.
