In 2000, 62% of households had one or more pets. Throughout the next decade, this decreased by 2% per year. Express the percentage of households having pets, P, as a function of the number of years after 2000, x.

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers