What is 10% down payment on a $5,400 used car loan?

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )

Write the equations in logarithmic form 10^3=1,000