Write 45% as a fraction in simplest form

For the equation below, x is the input and y is the output. y = -4x + 3 if the input is -8, then the output is

In a young single person's monthly budget, $150 is spent on food, $175 is spent on housing, and $175 is spend on other items. suppose you drew a circle graph to represent this information, what percent of the graph represents housing?

Petes dog weighed 30 pounds it then lost 16% of it's weight how much did pete lose