Samantha buys a car for $15,000. A month later she decides she wants to sell it for a 35% decrease. What is the price after the decrease? Please show your work!

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation

Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)