The sum of 15 + 6 times a number t is 81 what is the number

Which sentence uses an objective tone? we will plant the best garden of any school in the area. the new campus garden will surely be envied by other schools. a garden would provide numerous benefits to the students. you will probably agree that gardens have many benefits.

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2 acellus answer

How is this equation completed? i cannot find any examples in the book.