Do you mean LCM (Least common multiple)
first is proportional. y is 1 and 1/4 times x
second is not proportional.
reason? divided any y value by its corresponding x value and you'll keep getting 1.25, or 1 and 1/4. and the second one is not proportional because dividing the y values by their corresponding x value will give different answers.
maybe im wrong maybe im right you choose to trust me or not.
Answer:$7.56 because 72 times 0.105 is 7.56
Step-by-step explanation:
